R307 Biometric module and K201 fingerprint control board

Specification:

• Power supply: alkaline battery AA (No. 5) 4×1.5V or DC 5V
• Fingerprint capacity: 120 pieces
• Working Humidity: under 90% RH
• Working temperature: 20 ~+50
• Standby current: 5uA
• Output voltage: the same as input voltage
• Output current: 300mA