Material: Stainless

Voltage: 6V

Door Thickness Requirement: 35-80mm

Under Voltage Indicator: Alarm (lower than 4.8V)

Open Door Method: Swipe Card or Key

Mechanical Key:Yes

Battery:DC4.5V-6.5V

Face Size:257*78mm  Behind Face Size: 245*78mm 

Weight: 3kg

Handle Diameter: 23mm

Reading Distance: ＞30mm