Model: A12 Color: Red Bronze/Black Working Voltage: 6V Opening Method: Card Swiping/Mechanical key Installation Requirements: Door thickness above 38N, including wooden doors and security doors Static Power consumption: Less than 30uAW Dynamic Power Consumption: 130uAW Battery Life: 10,000h Low Voltage indication When the voltage is less than 4.8V, the red light will be on when the door is opened, and the buzzer will sound an alarm. At this time, it can still be opened 200 times. Sensing distance: 0-30mm