Features: 1.Touch-free sensor switch with blue backlight for the access control system. 2.Adopt infrared optical technology, when the button is blue in the standby state, if the light is insufficient, you can accurately find the position of the switch. When infrared light reacts, the backlight turns red and the door opens. 3.This infrared switch features no touch exit, widely used in access control systems. 4.Touchless infrared exit sensor, stable and professional performance. 5.High quality stainless steel plate material, firm, corrosion resistant and durable to use. 6.Exquisite workmanship, stylish appearance, 2 LED colors indication, practical to use. 7.Easy to install, no complicated tools required, convenient for using. Specification: Condition: 100% Brand New_x000D_ Item Type: Door Exit Button _x000D_ Material: Metal_x000D_ Color: As picture shown_x000D_ Size(LxWxH): Approx. 11.3 x 6.8 x 3cm/4.4 x 2.7 x 1.2in_x000D_ Input Voltage: DC12V_x000D_ Standard Structure: Plexiglass Touch Trigger_x000D_ Electrical Performance: 3A / 12VDC_x000D_ Contact Output: Normally Open / Normally Closed / COM Contact_x000D_ Durability Test: 500,000 Aging Test Qualified_x000D_ Application: Suitable for Various Door Frames_x000D_ Applicable Temperature: -20 - + 50_x000D_ Applicable Humidity: 0% - 95 (Relative Humidity)_x000D_ Trigger Device: Infrared Sensor PackageList: 1 x Infrared Sensor Switch1 x Mounting Screw Bag