Fingerprint Lock Security Keyless Smart Padlock USB Rechargeable Digital Quick Unlock Door Lock

Features:  - 10 Groups of Fingerprints: the padlock supports up to 10 fingerprints recording(support two administrators).  - Wide Application: perfectly used for doors, cabinets, bikes, backpacks, storage lockers, etc.  - Easy Operation: no need any tools, you can add or delete fingerprints easily by following the instructions of the user manual.  Instructions:  1. This machine can set 2 administrators, the first fingerprint and the second fingerprint, press the set button 5S in the empty fingerprint state, enter the entry state: you can directly record.Enter the first fingerprint (first administrator)), the second administrator must be authorized by the first administrator before it can be entered; other fingerprints must be authorized by 2 administrators.  2.The first or second administrator can pass the authorization before it can be entered.  3.Any fingerprint can be unlocked when no fingerprint is entered. Specifications:  Material Zinc alloy;  Color Silver / Black;  Working voltage 3.0 - 4.2V;  Unlock speed within 1 second;  Fingerprint sensor coverage 72 x 64MM;  Working period A year per power Charge;  LED light Three color light: Red / Blue / Green;  Battery 3.7V lithium build in battery;  Working temperature -10~+40 degrees Celsius;  Fingerprint capacity Record 10 times and save 10 groups.  Packing Included:  1 x Fingerprint Lock,  1 x USB Cable.