Best AI-Powered Security Locks

Looking for the best AI-powered security locks to upgrade your home safety? Discover our top 10 picks that offer smart, keyless entry with advanced features like fingerprint recognition, palm vein scanning, and app control for ultimate convenience and peace of mind.

AI-powered security locks are revolutionizing home safety, offering smart, keyless entry with cutting-edge technology. These locks combine fingerprint recognition, palm vein scanning, and app control for ultimate convenience and peace of mind. Discover the future of door security with our top picks.

Fast, reliable, and secure—these locks adapt to your lifestyle. They work in extreme weather, last months on a single charge, and keep your home safe 24/7.

Whether you’re upgrading your front door or managing rentals, these AI-powered locks simplify access and enhance protection. Dive in to find the perfect match for your needs and experience effortless security like never before.

List of Top 10 AI-Powered Security Locks

Image Title Best For Price
Wyze Auto-Lock Bolt v2, Fingerprint Keyless Entry Smart Lock, AI Learning Scanner with Wi-Fi Front Door Lock Deadbolt, Auto-Lock, 8 Months Battery, BHMA2, IP53, Anti-Peep Keypad, Backup Keys Wyze Auto-Lock Bolt v2, Fingerprint Keyless Entry Smart Lock, AI Learning Scanner with Wi-Fi Front Door Lock Deadbolt, Auto-Lock, 8 Months Battery, BHMA2, IP53, Anti-Peep Keypad, Backup Keys

The Wyze Auto-Lock Bolt v2 is perfect for anyone who wants easy, fast, and safe access to their home. It’s great for busy people who value convenience and security.

View on Amazon (paid link)
eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock, Built-in Wi-Fi, App Remote Control, Front Door Smart Lock Deadbolt, 8Months Battery, Reliable Power, IP53 Waterproof, BHMA Grade 3 eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock, Built-in Wi-Fi, App Remote Control, Front Door Smart Lock Deadbolt, 8Months Battery, Reliable Power, IP53 Waterproof, BHMA Grade 3

The eufy Security Smart Lock C220 is perfect for anyone who wants easy, keyless entry and peace of mind. It’s great for busy people who value convenience and security.

View on Amazon (paid link)
eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock, Built-in Wi-Fi, App Remote Control, Front Door Smart Deadbolt, IP53 Waterproof, 8-Months Battery, Nickel eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock, Built-in Wi-Fi, App Remote Control, Front Door Smart Deadbolt, IP53 Waterproof, 8-Months Battery, Nickel

The eufy Security Smart Lock C220 is perfect for anyone who wants easy, keyless entry to their home. It’s great for busy people who value convenience, security, and peace of mind.

View on Amazon (paid link)
eufy Security Smart Lock FamiLock S3 Max with Palm Vein Recognition, Keyless Entry Front Door Lock, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16GB Built‑in Storage, BHMA 1, Rear Lock Video Screen eufy Security Smart Lock FamiLock S3 Max with Palm Vein Recognition, Keyless Entry Front Door Lock, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16GB Built‑in Storage, BHMA 1, Rear Lock Video Screen

The eufy Security Smart Lock FamiLock S3 Max is perfect for families who want easy-to-use, top-tier security. It’s great for households with older adults or children, offering simple, app-free monitoring and peace of mind.

View on Amazon (paid link)
DESLOC Smart Lock B200 WiFi Version, Fingerprint Keyless Entry Door Lock, App Remote Control, Smart Locks for Front Door, WiFi Deadbolt Smart Lock, Emergency Power Port,12 Months Battery, Auto Lock DESLOC Smart Lock B200 WiFi Version, Fingerprint Keyless Entry Door Lock, App Remote Control, Smart Locks for Front Door, WiFi Deadbolt Smart Lock, Emergency Power Port,12 Months Battery, Auto Lock

The DESLOC Smart Lock B200 is perfect for anyone who wants easy, secure access to their home. It’s great for busy families, renters, or anyone who values convenience and safety.

View on Amazon (paid link)
Veise VE017-L Fingerprint Smart Lock with Lever Handles, App Control, Keyless Entry Front Door Lock Set, Electronic Digital Keypad Deadbolt, Remote Grant, Emergency Power Port, Auto Lock, Matte Black Veise VE017-L Fingerprint Smart Lock with Lever Handles, App Control, Keyless Entry Front Door Lock Set, Electronic Digital Keypad Deadbolt, Remote Grant, Emergency Power Port, Auto Lock, Matte Black

This smart lock is perfect for anyone who wants easy, secure access to their home or office. It’s great for renters, homeowners, or businesses needing flexible, keyless entry with remote control and advanced security features.

View on Amazon (paid link)
Veise VE017-B Fingerprint Smart Lock for Front Door, App Control, 8-in-1 Keyless Entry Deadbolt with 2 Zinc Alloy Lever Handles Set, Emergency Power Port, Auto Lock, Electronic Keypad, Satin Nickel Veise VE017-B Fingerprint Smart Lock for Front Door, App Control, 8-in-1 Keyless Entry Deadbolt with 2 Zinc Alloy Lever Handles Set, Emergency Power Port, Auto Lock, Electronic Keypad, Satin Nickel

The Veise VE017-B Fingerprint Smart Lock is perfect for anyone who wants easy, keyless entry and top-tier security. It’s ideal for homes, offices, or rentals with its 8-in-1 access options and remote control features.

View on Amazon (paid link)
Lockin Veno Pro Smart Deadbolt Lock with Dual Swappable Batteries for 6-Month Extended Power, Palm Vein & Fingerprint Keyless Entry, Built-in Wi-Fi, Doorbell, App Remote Control, IP65 Waterproof Lockin Veno Pro Smart Deadbolt Lock with Dual Swappable Batteries for 6-Month Extended Power, Palm Vein & Fingerprint Keyless Entry, Built-in Wi-Fi, Doorbell, App Remote Control, IP65 Waterproof

This smart lock is perfect for busy families and tech-savvy homeowners who want easy, secure access to their homes. It’s great for anyone with messy hands or long nails, thanks to its contactless palm vein recognition.

View on Amazon (paid link)
eufy Security Smart Lock S230, Keyless Fingerprint Lock for Front Door, Easy Installation, Built-in Wi-Fi, Reliable App for Remote Access, One-Year Battery Life, BHMA Certified, IP65 Weatherproof eufy Security Smart Lock S230, Keyless Fingerprint Lock for Front Door, Easy Installation, Built-in Wi-Fi, Reliable App for Remote Access, One-Year Battery Life, BHMA Certified, IP65 Weatherproof

The eufy Security Smart Lock S230 is perfect for anyone who wants easy, keyless access to their home. It’s great for busy people who value convenience, security, and peace of mind.

View on Amazon (paid link)
DESLOC A100F Keypad Fingerprint Door Lock, Keyless Entry Door Lock, Smart Lock Deadbolt for Front Door, Easy Installation, Emergency Power Port,12 Months Battery, IP54 Waterproof, 5 Keys DESLOC A100F Keypad Fingerprint Door Lock, Keyless Entry Door Lock, Smart Lock Deadbolt for Front Door, Easy Installation, Emergency Power Port,12 Months Battery, IP54 Waterproof, 5 Keys

The DESLOC A100F Keypad Fingerprint Door Lock is perfect for anyone who wants easy, keyless entry and top-notch security. It’s great for busy families, renters, or homeowners looking for convenience and peace of mind.

View on Amazon (paid link)

Detailed Reviews

Discover the top 10 AI-powered security locks handpicked for safety, convenience, and innovation. From fingerprint recognition to remote access, these locks offer cutting-edge features to keep your home secure. Find the perfect fit for your needs and enjoy peace of mind like never before.

1. Wyze Auto-Lock Bolt v2, Fingerprint Keyless Entry Smart Lock, AI Learning Scanner with Wi-Fi Front Door Lock Deadbolt, Auto-Lock, 8 Months Battery, BHMA2, IP53, Anti-Peep Keypad, Backup Keys

Wyze Auto-Lock Bolt v2, Fingerprint Keyless Entry Smart Lock, AI Learning Scanner with Wi-Fi Front Door Lock Deadbolt, Auto-Lock, 8 Months Battery, BHMA2, IP53, Anti-Peep Keypad, Backup Keys

The Wyze Auto-Lock Bolt v2 offers effortless entry in just 0.5 seconds with its fingerprint scanner. Its scratch-resistant glass keeps it looking pristine and ensures reliable reads. Enjoy lasting clarity and speed every time you unlock.

This smart lock uses AI learning to improve recognition over time. It adapts to your touch, making entry faster and more accurate. Say goodbye to failed scans and hello to a seamless experience.

With 8 months of battery life and a USB-C emergency backup, you’re always in control. Use the Wyze App for remote access or choose fingerprint, code, or keys for ultimate flexibility. Your door, your way—peace of mind guaranteed.

Pros Cons
  • Unlock in 0.5 seconds with fingerprint scanner.
  • AI learns and improves for faster, accurate recognition.
  • 8-month battery life with USB-C emergency backup.
  • Control remotely via Wyze App and Wi-Fi.
  • Multiple entry options for ultimate flexibility.
  • No offline remote access without Wi-Fi or power bank.
  • Requires app setup for full smart features, not plug-and-play.
  • Physical keys included, but could be easily misplaced.

Perfect For:

The Wyze Auto-Lock Bolt v2 is perfect for anyone who wants easy, fast, and safe access to their home. It’s great for busy people who value convenience and security.

Ready to Purchase?

2. eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock, Built-in Wi-Fi, App Remote Control, Front Door Smart Lock Deadbolt, 8Months Battery, Reliable Power, IP53 Waterproof, BHMA Grade 3

eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock, Built-in Wi-Fi, App Remote Control, Front Door Smart Lock Deadbolt, 8Months Battery, Reliable Power, IP53 Waterproof, BHMA Grade 3

The eufy Security Smart Lock C220 offers keyless entry with fingerprint recognition and built-in Wi-Fi. It’s a reliable and secure solution for your front door.

Enjoy 8 months of battery life with just 8 AA batteries. Unlock in under 1.5 seconds using your fingerprint. Control the lock from anywhere with the eufy Security app.

Installation takes just 15 minutes with no drilling needed. It’s waterproof and works in extreme temperatures. Backed by 18-month protection and 24/7 customer support.

Pros Cons
  • 8-month battery life ensures long-lasting, reliable performance.
  • Unlock in 1.5s with fingerprint or app—fast and keyless entry.
  • Built-in Wi-Fi lets you control the lock anywhere, anytime.
  • Easy 15-minute install—no drilling, fits most US/CA deadbolts.
  • Battery replacement needed every 8 months.
  • No auto-lock feature for added security.
  • Limited compatibility with non-standard deadbolts.

Perfect For:

The eufy Security Smart Lock C220 is perfect for anyone who wants easy, keyless entry and peace of mind. It’s great for busy people who value convenience and security.

Ready to Purchase?

3. eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock, Built-in Wi-Fi, App Remote Control, Front Door Smart Deadbolt, IP53 Waterproof, 8-Months Battery, Nickel

eufy Security Smart Lock C220, Fingerprint Keyless Entry Door Lock, Built-in Wi-Fi, App Remote Control, Front Door Smart Deadbolt, IP53 Waterproof, 8-Months Battery, Nickel

The eufy Security Smart Lock C220 offers keyless entry with fingerprint recognition and built-in Wi-Fi. Enjoy 8 months of battery life with just 8 AA batteries. Control your lock anywhere using the eufy Security app.

Installation is quick and easy, taking just 15 minutes. The lock is durable, waterproof, and works in extreme temperatures.

Pros Cons
  • 8-month battery life for long-lasting, worry-free use.
  • Unlock in 1.5s with fingerprint or app—fast and keyless.
  • Built-in Wi-Fi lets you control the lock from anywhere.
  • Easy 15-minute install—no drilling, fits most US/CA doors.
  • Battery replacement needed every 8 months.
  • No auto-lock feature for added security.
  • Limited compatibility with non-standard deadbolts.

Perfect For:

The eufy Security Smart Lock C220 is perfect for anyone who wants easy, keyless entry to their home. It’s great for busy people who value convenience, security, and peace of mind.

Ready to Purchase?

4. eufy Security Smart Lock FamiLock S3 Max with Palm Vein Recognition, Keyless Entry Front Door Lock, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16GB Built‑in Storage, BHMA 1, Rear Lock Video Screen

eufy Security Smart Lock FamiLock S3 Max with Palm Vein Recognition, Keyless Entry Front Door Lock, Wi-Fi Keypad Deadbolt+ 2K HDR Doorbell Camera, 16GB Built‑in Storage, BHMA 1, Rear Lock Video Screen

The eufy Security Smart Lock FamiLock S3 Max offers top-tier security with palm vein recognition. It unlocks in 0.6 seconds with 99.9% accuracy. Your data stays safe on the device, ensuring privacy.

This all-in-one device includes a 2K HDR camera and video doorbell. It has a 150° wide-angle view for clear visibility, even at night. The smart lock sends real-time alerts for peace of mind.

The Rear Lock Video Screen lets you check the front door without a phone. It’s easy to use for all ages. The dual power supply ensures uninterrupted use for months.

Pros Cons
  • Palm vein unlocking offers 99.9% accuracy for top-tier security.
  • 2K HDR camera ensures clear visibility, even at night.
  • Rear lock video screen provides easy, app-free monitoring for all ages.
  • Dual power supply guarantees uninterrupted protection during outages.
  • No Matter support for camera streams, limiting smart home integration.
  • Requires eufy App for full features, not fully app-free.
  • Incompatible with HomeBase 2, restricts older system users.

Perfect For:

The eufy Security Smart Lock FamiLock S3 Max is perfect for families who want easy-to-use, top-tier security. It’s great for households with older adults or children, offering simple, app-free monitoring and peace of mind.

Ready to Purchase?

5. DESLOC Smart Lock B200 WiFi Version, Fingerprint Keyless Entry Door Lock, App Remote Control, Smart Locks for Front Door, WiFi Deadbolt Smart Lock, Emergency Power Port,12 Months Battery, Auto Lock

DESLOC Smart Lock B200 WiFi Version, Fingerprint Keyless Entry Door Lock, App Remote Control, Smart Locks for Front Door, WiFi Deadbolt Smart Lock, Emergency Power Port,12 Months Battery, Auto Lock

The DESLOC Smart Lock B200 offers keyless entry with fingerprint recognition and PIN codes. It works with Alexa and Google Voice Assistant for hands-free control. The lock is waterproof and works in extreme temperatures, ensuring reliable security.

It’s easy to install with just a screwdriver and includes a 24-month warranty. The 12-month battery life and emergency USB-C port keep it running smoothly.

Pros Cons
  • Unlock with fingerprint, PIN, or voice in seconds.
  • Remote control via app for easy access anytime.
  • Long-lasting battery life up to 12 months.
  • Quick installation with simple tools in minutes.
  • Advanced security with auto-lock and waterproof design.
  • Batteries not included, requiring extra purchase for operation.
  • Limited Bluetooth range (2 meters) for app control.
  • Backset adjustment needed for proper deadbolt engagement.

Perfect For:

The DESLOC Smart Lock B200 is perfect for anyone who wants easy, secure access to their home. It’s great for busy families, renters, or anyone who values convenience and safety.

Ready to Purchase?

6. Veise VE017-L Fingerprint Smart Lock with Lever Handles, App Control, Keyless Entry Front Door Lock Set, Electronic Digital Keypad Deadbolt, Remote Grant, Emergency Power Port, Auto Lock, Matte Black

Veise VE017-L Fingerprint Smart Lock with Lever Handles, App Control, Keyless Entry Front Door Lock Set, Electronic Digital Keypad Deadbolt, Remote Grant, Emergency Power Port, Auto Lock, Matte Black

The Veise VE017-L Fingerprint Smart Lock offers 8-in-1 access options for your front door. Use the app, fingerprint, codes, or keys for easy entry. It’s perfect for homes, offices, and rentals.

Manage access remotely with the KK Home app. Create temporary codes, track entry history, and control multiple users from anywhere. The fingerprint sensor works in 0.2 seconds with 99.99% accuracy.

Built tough with waterproof design and zinc-alloy handle. Batteries last up to 12 months, and installation takes just 10–15 minutes.

Pros Cons
  • Unlock your door in 0.2 seconds with fingerprint tech.
  • Control access remotely and track entry history easily.
  • Long-lasting batteries with emergency charging port.
  • Simple DIY install, no wiring, fits most doors.
  • No batteries included, so you’ll need to buy them separately.
  • Gateway sold separately for full smart home integration.
  • Limited warranty to 24 months, despite lifetime support claims.

Perfect For:

This smart lock is perfect for anyone who wants easy, secure access to their home or office. It’s great for renters, homeowners, or businesses needing flexible, keyless entry with remote control and advanced security features.

Ready to Purchase?

7. Veise VE017-B Fingerprint Smart Lock for Front Door, App Control, 8-in-1 Keyless Entry Deadbolt with 2 Zinc Alloy Lever Handles Set, Emergency Power Port, Auto Lock, Electronic Keypad, Satin Nickel

Veise VE017-B Fingerprint Smart Lock for Front Door, App Control, 8-in-1 Keyless Entry Deadbolt with 2 Zinc Alloy Lever Handles Set, Emergency Power Port, Auto Lock, Electronic Keypad, Satin Nickel

The Veise VE017-B Fingerprint Smart Lock offers 8-in-1 keyless entry for your front door. It includes fingerprint access, app control, and PIN codes for easy, secure entry. Perfect for homes, offices, or rentals.

Enjoy ultra-fast fingerprint recognition in just 0.2 seconds with AI self-learning tech. Manage access remotely with the KK Home App, creating customized codes for guests or family. Bank-grade security ensures peace of mind.

Easy DIY installation takes just 15 minutes. Lifetime support and a 2-year warranty are included. IP55 waterproof and USB-C emergency port add reliability.

Pros Cons
  • Unlock in 0.2s with ultra-fast fingerprint tech.
  • Remote access via app for guests and family.
  • Bank-grade security with auto-lock and encryption.
  • Easy 15-minute DIY installation, no pros needed.
  • No batteries included, so you’ll need to buy them separately.
  • Gateway sold separately for voice control, an extra cost.
  • DIY installation might be tricky for some, despite the tutorial.

Perfect For:

The Veise VE017-B Fingerprint Smart Lock is perfect for anyone who wants easy, keyless entry and top-tier security. It’s ideal for homes, offices, or rentals with its 8-in-1 access options and remote control features.

Ready to Purchase?

8. Lockin Veno Pro Smart Deadbolt Lock with Dual Swappable Batteries for 6-Month Extended Power, Palm Vein & Fingerprint Keyless Entry, Built-in Wi-Fi, Doorbell, App Remote Control, IP65 Waterproof

Lockin Veno Pro Smart Deadbolt Lock with Dual Swappable Batteries for 6-Month Extended Power, Palm Vein & Fingerprint Keyless Entry, Built-in Wi-Fi, Doorbell, App Remote Control, IP65 Waterproof

The Lockin Veno Pro Smart Deadbolt Lock offers 6 months of power with its dual swappable batteries. It combines palm vein and fingerprint entry, a 2K camera, and a smart doorbell in one device.

Enjoy fast, contactless unlocking with TÜV Rheinland certified palm vein tech. It works even with messy hands or long nails, ensuring 99.9% accuracy. The built-in AI detects people, vehicles, and packages, sending instant alerts to your phone.

Unlock your door 6 ways: palm, fingerprint, PIN, app, voice, or key. Manage access anytime, anywhere with one-time codes for guests.

Pros Cons
  • Dual batteries give 6 months of nonstop power.
  • Palm vein tech unlocks fast and securely in 0.17s.
  • 2K camera with AI detects people, vehicles, packages.
  • 6 ways to unlock, no keys needed, voice control included.
  • High price may be a barrier for some buyers.
  • Complex setup could frustrate less tech-savvy users.
  • Bulkier design might not fit all door styles.

Perfect For:

This smart lock is perfect for busy families and tech-savvy homeowners who want easy, secure access to their homes. It’s great for anyone with messy hands or long nails, thanks to its contactless palm vein recognition.

Ready to Purchase?

9. eufy Security Smart Lock S230, Keyless Fingerprint Lock for Front Door, Easy Installation, Built-in Wi-Fi, Reliable App for Remote Access, One-Year Battery Life, BHMA Certified, IP65 Weatherproof

eufy Security Smart Lock S230, Keyless Fingerprint Lock for Front Door, Easy Installation, Built-in Wi-Fi, Reliable App for Remote Access, One-Year Battery Life, BHMA Certified, IP65 Weatherproof

The eufy Security Smart Lock S230 offers keyless entry with fingerprint unlocking. It’s easy to install in just 15 minutes, no professional needed.

Enjoy one year of battery life from a single charge, thanks to its 10,000 mAh rechargeable battery. It’s BHMA certified and IP65 weatherproof, ensuring durability and security.

Built-in Wi-Fi allows remote access via the reliable app. Seamless integration with eufy devices makes it a smarter home solution.

Pros Cons
  • One-year battery life ensures hassle-free use.
  • Fast fingerprint unlocking with AI self-learning for speed.
  • Easy DIY installation in just 15 minutes, no drilling.
  • BHMA certified for reliable security and durability.
  • Limited door thickness range (35-55mm) may not fit all doors.
  • No offline remote access without built-in Wi-Fi connection.
  • High initial cost compared to traditional locks.

Perfect For:

The eufy Security Smart Lock S230 is perfect for anyone who wants easy, keyless access to their home. It’s great for busy people who value convenience, security, and peace of mind.

Ready to Purchase?

10. DESLOC A100F Keypad Fingerprint Door Lock, Keyless Entry Door Lock, Smart Lock Deadbolt for Front Door, Easy Installation, Emergency Power Port,12 Months Battery, IP54 Waterproof, 5 Keys

DESLOC A100F Keypad Fingerprint Door Lock, Keyless Entry Door Lock, Smart Lock Deadbolt for Front Door, Easy Installation, Emergency Power Port,12 Months Battery, IP54 Waterproof, 5 Keys

The DESLOC A100F Keypad Fingerprint Door Lock offers keyless entry for your front door. It uses fingerprint recognition and PIN codes for quick access. Five physical keys are included as backups.

It’s easy to install with just a screwdriver. The 12-month battery life ensures long-lasting use. An emergency power port keeps you secure if batteries run low.

This lock is IP54 waterproof and works in extreme temperatures. It includes anti-peeping PIN protection and auto-lock for added safety. DESLOC provides a 1-year warranty and 24/7 support.

Pros Cons
  • 12-month battery life with emergency power port for backup.
  • Unlock in 0.3s with fingerprint, PIN, or keys.
  • Easy DIY installation with 1-year warranty and 24/7 support.
  • IP54 waterproof and anti-peeping PIN for premium security.
  • Battery replacement needed every year, adding to long-term costs.
  • No Wi-Fi or app control, limiting smart features.
  • Physical keys included, but risk of loss or misplacement.

Perfect For:

The DESLOC A100F Keypad Fingerprint Door Lock is perfect for anyone who wants easy, keyless entry and top-notch security. It’s great for busy families, renters, or homeowners looking for convenience and peace of mind.

Ready to Purchase?

Buying Guide

AI-powered security locks are changing the way we secure our homes. They offer keyless entry, smart features, and top-notch security. Discover the best options to keep your home safe and convenient.

Experience the Future of Home Security
Unlock your door with a fingerprint, palm scan, or app. Enjoy fast, reliable access and peace of mind. These locks are easy to use and built to last.

Factors to Consider When Buying AI-Powered Security Locks
Locking Mechanism: Choose between fingerprint, palm vein, or keypad entry based on your preference.
Battery Life: Look for locks with long-lasting batteries (6–12 months) and emergency backup options.
Weather Resistance: Ensure the lock is waterproof and works in extreme temperatures.
Installation: Opt for easy DIY installation with no drilling required.
App Control: Check for remote access and smart features like temporary codes or entry history.
Security Certifications: Look for BHMA or TÜV Rheinland certifications for added reliability.
Backup Options: Ensure there are physical keys or emergency power ports for unexpected situations.
Durability: Choose locks with scratch-resistant materials and sturdy build quality.
Warranty & Support: Prioritize locks with long warranties and 24/7 customer support.