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 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.
first or second administrator can pass the authorization before it can be entered.
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.
Product Attributes:

• Weight (lbs.): 0.44 lb