Tuya app Wi-Fi version 3d face Intelligent Wifi Digital Smart Lock Fingerprint Visual Intercom Palm Vein Recognition security door lock. Upgrade your home security with the Smart Door Lock featuring 3D face recognition, palm vein, fingerprint, and password options. Made of durable Aluminium alloy in a sleek silver gray finish, this modern lock is suitable for front door and residential interiors. Easy to install with universal mounting for both left and right doors, this lock comes with all fixings supplied including door handle set, IC card, lithium battery, lock body and lock cylinder. The high-tech features and user-friendly design make this security lock a necessary part for home, office or apartment. Product Parameters Lock body(mortise): 6068 mortise Material:aluminum alloy Color: Star gray Motor :super-large torgue special motor Battery:4200 mAh special lithium battery Unlock method: Palmar vein,face recognition, fingerprint,password,swipe card, mobile phone remote, mechanical key Feature functions: watch ousting in real-time, active two way intercom, doorbell reminder, anti-prizing alarm, indoor peepholescreen, fast open, automatic self lock function Power supply: DC(7.4V lithium battery) static current: <70 micro-ampere Fingerprint capacity:100 Operating temperature:-10C-60C Passwords capacity:100 Relative humidity:20%--93% Cards capacity: 100 Emergency power supply: USB Administrators capacity: 10 Lock core level: C Suitable for door thickness:40-120MM Package including 6068 lock body.