Description:Fingerprint Door Lock Handle USB Rechargeable Anti Theft Smart Electric Biometric Keyless Security Entry with 2 Keys for Apartment Hotel Bedroom Home Features:1. Material: Made of zinc alloy material, durable and sturdy to use.2. Safe and Reliable: Fingerprint recognition lock, convenient fingerprint settings,safe and secure.3. High Efficient: The lock can recognize 30 fingerprint and the recognition speed is 0.25s.4. Power Supply: The fingerprint door lock powered by 4pcs x AAA dry batteries(not included), and meanwhile with USB charge port for emergency.4. With 2 Keys: Each fingerprint lock is equipped with 2 mechanical keys, which will enable users to unlock in traditional method.5. Biometric lock: Using biometric fingerprint technology, the door can be unlocked by fingerprint in only 0.25s, which is safe and reliable.6. Large capacity: The smart lock can store 30 fingerprints and can be opened easily and conveniently.7. Wide range of uses: Made of high-quality zinc alloy, strong and durable, suitable for families, apartments, personal residences, hotels, etc.Specification:- Material: Zinc Alloy- Color: Black- Port: USB - Interface: 4 X AAA dry batteries(not including)- Working temperature: -20-55°C- Recognition time: 0.25s- Fingerprint capacity: 30- Adjustable center distance: Up to 70mm/2.75"- Size: 14.5 X 6.5 X 2.8cm/5.7 X 1.1 X 2.55inch (L x W x H)- Weight: 912g/32.17ozPackage Included:1 x Fingerprint Door Lock 2 x Keys1 x Installation Accessories Package1 x Packing Box