4-IN-1 Access Methods: Fingerprint bedroom door lock offers fingerprint + password + 2 mechanical keys + APP control, with 0.2s recognition and 1s to open the door
Long-Lasting Battery Life: This fingerprint door handle with lock features a 400mAh rechargeable battery that fully charges in 4-6 hours, providing up to one year of battery life. A spare key provides security in emergencies
Multifunctional Features: This multifunctional electronic door lock features a low battery indicator, silent mode, access mode, backlit keypad, one-time password, and anti-peeping password functions
Easy Installation: This smart bedroom door lock is designed for US standard doors and can be installed in 15 minutes with just a screwdriver. The backplate sizes are 2-3/8 inches (60 mm) and 2-1/8 inches (70 mm), and the door thickness is 1-1/8 inches to 2-1/8 inches (30 mm-55 mm)
Customer Support: Responsive customer service is provided within 24 hours for any questions about the door locks, with 12-month warranty and lifespan technical support
