Features:1.Touch?free sensor switch with blue backlight compatible with the access control system.2.Using 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 percompatible withmance.5.Premium stainless steel plate material, firm, , corrosion resistant and durable to use.6.Exquisite workmanship, stylish appearance,2 LED colors indication, practical to use.7.Simple and convenient compatible with installation, easy to use and operate.Specification:Condition: Item Type: Door Exit ButtonMaterial: MetalColor: As picture shownSize: Approx. 86 x 86 x 25mm/3.4 x 3.4 x 1inInput Voltage: DC12VStandard Structure: Plexiglass Touch TriggerElectrical Percompatible withmance: 3A / 12VDCContact Output: Normally Open / Normally Closed / COM ContactDurability Test: 500,000 Aging Test QualifiedApplication: Suitable compatible with Various Door FramesApplicable Temperature: -20 - + 50Applicable Humidity: 0% - 95 (Relative Humidity)Trigger Device: Infrared SensorPackageList:1 x Infrared Sensor Switch1 x Mounting Screw Bag