Material: Zinc Alloy Color: Gold/Silver Opening Mode 1: RFID 125Khz(T5577) or 13.56Mhz(Mifare) (Optional) Opening Mode 2: Password (Anti-peep) Opening Mode 3: Fingerprint (FPC) (100PCS Storage) Opening Mode 4: Key (Grade C) Screen: OLED Installation Requirement: Thickness of door is more then 38mm Static Power Consumption:< 100UA Dynamic Power Consumption:<200mA Working Voltage: 12V(8*1.5V Battery) Working Temeprature: -30ºC - 60ºC