1、Application: Suitable for all types of doors, such as, wooden doors, iron doors, security doors, etc., to meet your use needs. 2、Sensitive Design: Infrared induction door switch, high sensitivity and comfortable to touch, giving you a convenient use experience. 3、Delicate Surface: Exquisite appearance and professional performance, perfectly enhance your home decoration style. 4、Sturdy Structure: Premium ABS material, high temperature resistant, strong and sturdy, impact resistant, not easy to damage. 5、Easy Installation: No wiring, no drilling, easy and fast installation, no complicated steps, convenient for using, save your efforts. 1 x Wireless Infrared Sensor Switch Item Type: Wireless Infrared Sensor SwitchMaterial: ABSPower On Mode: AA battery x2 (without battery)Unlocking Mode: Hand sweep inductionOperating Voltage: DC12VSuitable for Doors Types: Wooden doors, iron doors, security doors