1、Touch‑free sensor switch with blue backlight for 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 professional performance. 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 for installation, easy to use and operate. 1 x Infrared Sensor Switch1 x Mounting Screw Bag Condition: 100% Brand NewItem Type: Door Exit Button Material: MetalColor: As picture shownSize: Approx. 86 x 86 x 25mm/ 3.4 x 3.4 x 1inInput Voltage: DC12VStandard Structure: Plexiglass Touch TriggerElectrical Performance: 3A / 12VDCContact Output: Normally Open / Normally Closed / COM ContactDurability Test: 500,000 Aging Test QualifiedApplication: Suitable for Various Door FramesApplicable Temperature: -20 - + 50℃Applicable Humidity: 0% - 95 (Relative Humidity)Trigger Device: Infrared Sensor