Features: Advanced 4-in-1 Keyless Biometric Door Lock: This smart lock features Tuya App, fingerprint, anti-peeping virtual password, and physical key access. With a high fingerprint recognition rate of up to 98%, you can unlock your door in just 1 second. You can add up to 50 fingerprint groups and 100 password groups, eliminating the hassle of forgetting your keys when you go out. Designed for Standard American Doors: This fingerprint door lock is designed for standard American doors, with backsets of 2-3/8 inches (60mm) and 2-1/8 inches (70mm), and door thicknesses from 1-3/8 inches to 2-1/8 inches (35mm-55mm). There's no need for wiring or drilling, and it can be installed on both left and right-hand doors. Enhanced Security for Your Room: This fingerprint door lock provides an extra level of security for your room. It's a simple design that's perfect for offices, apartments, or other private spaces. Battery-Powered with Low Power Reminder: This keypad door handle requires 4 AAA batteries (not included). Depending on usage frequency, it can last up to 6 months. It features a low power reminder and comes with a Type-C interface for emergency power supply. Remote Control and Access Notifications: Control your lock remotely and receive real-time access notifications and access logs to know who is coming and going from anywhere using the Tuya Smart/Life app. With the Tuya app (BLE), you can share dynamic passwords with family or friends, so you don't have to worry when you're not at home. Specifications: Color: Black Material: Aluminum alloy Power Supply: 4 AAA batteries (not included) Emergency Power Supply: Type C Unlocking Method: Fingerprint/password/application/key Fingerprint Capacity: 50 pieces Fingerprint Sensor: FPC Semiconductor Company Password Capacity: 100 sets Working Humidity: 0-90% Working Temperature: -10 ° C~60 ° C Application: Tuya App, Smart Life App Network: BT Packaging Size: 22.5 * 20 * 9cm/8.9 * 7.9 * 3.5inch Packaging Weight: 700g/25oz Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Packing List: 1 x Front Door Handle 1 x Rear Door Handle 1 x User Manual 1 x Screw Bag (The thickness of the door is 35-55 millimeters) 1 x Pin (60/70mm)