Eufy Security S231 Smart Lock & Indoor IP Camera System

Military-Grade Security
High-strength zinc alloy lock body with anti-drill, anti-pry, and anti-impact design. Certified ANSI Grade 1 for maximum durability.
Crystal-Clear 2K Resolution
CCD sensor captures ultra-sharp footage with true-to-life color accuracy, outperforming standard CMOS cameras in low light.
Smart Keyless Access
Supports fingerprint recognition (0.3s unlock), temporary PIN codes, and mechanical key backup. Ideal for Airbnb hosts or shared apartments.
Seamless Smart Home Integration
Works with Alexa/Google Assistant for voice control. Real-time alerts via eufySecurity app when unusual activity is detected.
No Monthly Fees
Local 128GB storage (expandable) with AES-256 encryption—no cloud subscription required.
Professional-Grade Installation
Precision-engineered mounting system with tamper-resistant screws. Includes strike plate reinforcement for door frame security.
Dual-Power Reliability
Built-in rechargeable battery (6-month lifespan) + emergency power from 4 AA batteries (sold separately).
Discreet Monitoring
Compact 3.1” x 2.4” camera housing with magnetic base for flexible placement—perfect for nurseries, home offices, or retail stores.
Zero-Noise Operation
Silent motor mechanism ensures no audible lock engagement, ideal for night use.