1. Fingerprint sensor "semiconductor fingerprint sensing technology 120*120 record 5 times and save 20 groups" 2. Square shape of fingerprint head 10.4*10.4mm 3. Storage capacity: 2 sets of fingerprints 4. Technical biometrics 5. False acceptance rate < 0.001% 6. Rejection rate < 2% 7. Fingerprint collection time ≤0.5 seconds 8. Fingerprint matching time ≤1.0 seconds 9. Administrator fingerprint capacity: 2 sets of fingerprints 10. Fingerprint setting short press to unlock, long press 3S to set fingerprint, long press 6S to delete fingerprint 11. IC sensor card is not supported 12. Working voltage: 3.7v 13. Lithium battery: 60mAh 3.7v 14. Charging current: 5V/100ma 15. The red light is off with full warning 16. Low power alarm 3.3v 17. LED tri-color light Micro USB 5V 0.5a (emergency + charging) 19. The buttons Blister packing
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