Fingerprint Door Lock Handle USB Rechargeable Anti Theft Smart Electric Biometric Keyless Security Entry with 2 Keys for Apartment Hotel Bedroom Home            Feature:           Material: Made of zinc alloy material, durable and sturdy to use.           Safe and Reliable: Fingerprint recognition lock, convenient fingerprint settings,safe and secure.           High Efficient: The lock can recognize 30 fingerprint and the recognition speed is 0.25s.           Power Supply: The fingerprint door lock powered by 4pcs x AAA dry batteries(not included), and meanwhile with USB charge port for emergency.           With 2 Keys: Each fingerprint lock is equipped with 2 mechanical keys, which will enable users to unlock in traditional method.           Biometric lock: Using biometric fingerprint technology, the door can be unlocked by fingerprint in only 0.25s, which is safe and reliable.           Large capacity: The smart lock can store 30 fingerprints and can be opened easily and conveniently.           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, Grey, Silver           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/32.17oz                      Note:           1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you            2. Please allow 1-3mm measuring deviation due to manual measurement.                                                                                1 X Fingerprint Door Lock             2 X Keys           1 X Installation Accessories Package           1 X Packing Box