Matt Black Red Bronze R31 PROMAX US$?/set 3D Facial Recognition FPC Fingerprint Reader Mobile APP Management Dual HD Lens Dual Battery SPECIFICATIONS Facial Recognition Dual Lens ng Password Anti-sight ng Fingerprint Semi-conduct ng Card Mifarel ng Wakeup Touch ng Voice Chinese/English **8 languages optional Doorbell “#” Button ng Keys 2 ng Storage 200 ng Door Mirror Camera ng Remote Intercom Mobile App -- lock speaker ng VideoSnapshot Mobile App notification ng Mobile APP TUYA/TTLOCK ng **optional Battery 4200mAh/2500mAh ng Color Black/Red ng Materials Aluminum ng Cylinder Brass ng TECHNICAL DATA Standard GA 374-2019 Recognising speed ≤0.5s False Rejection Rate ≤0.15% False Accept Rate ≤0.004% Anti-interference Ability ≤0.5T Electrostatic Discharge Iimmunity 8KV-contact/15KV-air RFEMS 80MHz~1000MHz Stability 168hours per day 30 on/off Durability ≥10000 on/off SAFETY Safety Level C Flame Retardant shell Anti Tesla Coil Anti Prying Anti Knock Anti Prop Anti Panel Disassembly Anti Mechanical means BATTERY Working Voltage 4.8~6.5v Working Current ≤200mA Limited Charge Voltage 8.4v Quiescent Current ≤50µA Charge Port Micro USB/Type C Recognising speed ≤0.5s Box Info Gross Weight 3.82kgs Net Weight 3.52kgs Measurement 495x265x115 Pack Details Front Panel 1 Back Panel 1 Rubber Seals 2 Battery 2 Cylinder & Keys 1 Tools & Screws 1 Cards 2 USB Cable 1 SMART LOCK COMMUNITY BLOG VIDEO Featured Post How important is the anti-theft function of smart locks? What are the advantages of wireless doorbells that are popular among consumers How important is the anti-theft function of smart... Smart Locks are the Intelligent Choice for Apartments Smart locks have emerged as a critical technology for apartment buildings and multi-family housing. The security and convenience enhancements benefit... Why do we need automatic door lock? How does it work? High security technology allows users to open or close locks remotely, automatically without a key. People can program automatic door locks...