Fingerprint lock Specifications: Sensor: Optical Resolution: 500DPI Scanning time: <1 Sec FRR(False Rejection Rate): 0.001% FAR(False Acceptance Rate): 0.00001% Fingerprint capacity: 99 Static consumption: 12uA System power supply: 4 (AA) alkaline battery, external power supply port (emergency) Working temperature: -30C ~85C Working humidity: <90% RH Identification mode: Fingerprint