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Due to high demand, orders placed after the 8th of June will be delayed and are expected to be shipped around the 25th of Jun.
$399.99
What the Pros Say
LifeHacster
eufy's first smart lock that uses palm vein unlocking technology.
Shane Starnes
This has to be the coolest smart lock I have ever tried.
This Smart House
Featuring palm vein recognition, a 2K HDR camera, AI detection.
Overview
Palm Vein Unlocking
Recognizes palm vein patterns under the skin—just wave to unlock.
2K Head-to-Toe View
HDR and Night Vision
PowerDuo™ Technology
15,000mAh Rechargeable Battery + 4 AAA Backup Batteries
Dual Motion Sensors
Reduce False Alarms by 95%
Advanced Palm Vein Technology
Palm vein recognition uses infrared light to capture unique vein patterns beneath the skin, ensuring high security.
Your Palm is Your Key
Advanced Security in Your Palm
Only Recognizes Real Palms
Can't be fooled by 3D models or photos.
Truly Unique
Designed for Any Hand
Head-to-Toe Night, Vision Clarity
See It All, Anytime
Advanced Night Vision + HDR
Capture the Whole Picture
2K HD and HDR for clear images at up to 2.5 m.
Remote Video Intercom
4-Inch Internal Video Screen
Get instant, clear footage with the 1080p internal screen.
Instant Access Made Simple
Conveniently see who's at your door via the app or screen.
PowerDuo™️: Double Power, Double Confidence
Enhanced Battery Power for Longer Usage
Real-Time Power Monitoring
Check lithium and AAA battery status anytime in the Power Manager.
Emergency Power Options
Enjoy peace of mind with a key backup and emergency power interface.
AI-Powered Security for Total Peace of Mind
Dual Motion Sensors
Monitor up to 6 meters (19.6 ft) with a 95% reduction in false alarms for true security.
Stay Informed
Real-time door alerts* and event history keep you connected.
Entry and Exit Alerts*
Get instant notifications when someone leaves or returns home.
Wider Compatibility, Smarter Access
Universal Compatibility
Matter support ensures cross-platform compatibility.
Enhance with the eufy Ecosystem
Pair with eufy HomeBase 3 for advanced AI.
Access for Everyone, Made Simple
Check Compatibility Before Purchase
Advanced Security for Your Family's Peace of Mind
Smart Auto-Locking
Automatically locks the door as soon as it’s closed, offering convenience and security without a second thought.
Wi-Fi 6 Connectivity
Enjoy faster, more secure connections for real-time responsiveness and seamless control.
ANSI/BHMA Grade 1
With top-tier ANSI/BHMA Grade 1 certification, this smart lock meets rigorous safety standards to ensure maximum home protection.
Ready for All Weather
Works from -22°F to 158°F (-30°C - 70°C), and the IP65 rating keeps your home secure, whatever the weather.
Specs
| Features | |
| Built-In Wi-Fi | Direct Wi-Fi |
| Unlock Methods | Palm Vein, App, Voice Control, Password, Keys |
| Built-In Video Doorbell | Y |
| Cam Resolution | 2K HDR |
Which Smart Lock Suits Your Home?
eufy FamiLock S3 Max
Built-In Wi-Fi
Unlock Methods
Built-In Video Doorbell
Cam Resolution
Display
Battery Type
Battery Life
Charger Requirement
Waterproof
Auto Lock
eufy Ecosystem Support
External Ecosystem Support
ANSI/BHMA
FAQ
1. What kind of doors are eufy FamiLock S3 Max compatible with?
2. What should be noted when using the palm vein unlocking function?
3. What is the power supply method of this door lock? What happens if the battery runs out?
1. Which eufy devices and systems are eufy FamiLock S3 Max compatible with?
2. Does eufy FamiLock S3 Max support external integration with other smart home platforms?
