1、Strong Sensitivity: The button part of the access controller responds sensitively, and the button feedback is fast and effective. No need to repeat operations and wait. 2、Easy to Operate at Night: The button has a weak light, which can be clearly identified at night, suitable for night operation. 3、Premium Material: The panel button switch design of the touch sensor switch is stylish and beautiful. The material is made of plastic, strong and durable. 4、Easy to Install: This access control is a wire free switch, just put the battery can be used, no slotted wiring required, very simple and convenient. 5、Wide Appliacation: Suitable for all kinds of wooden doors, iron doors, security doors. Suitable for access control systems, entrance and exit switches, etc., very practical. 1 x Door Exit Release Button Item Type: Door Exit Release ButtonMaterial: ABSPower On Method: 2 x AA battery  (without battery)Unlocking Method: Light touch with slight forceWorking Voltage: DC12VApplication:Suitable Door Type: Wooden door, iron door, security door