2.Working voltage: 3.0-4.2V
4.Fingerprint sensor coverage: 7.2*6.4MM
5.Unlock speed: within 1 second
6.working period: a year per power Charge
7.LED light: three color light: red / blue / green
8.Battery: 3.7V lithium build in battery
9.Working temperature: -10~+40 degrees Celsius
10.Fingerprint capacity: record 10 times and save 10 groups