Feature: 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 Item Type: Door Exit Button Material: Metal Color: As picture shown Size(LxWxH): Approx. 11.3 x 6.8 x 3cm/4.4 x 2.7 x 1.2in Input Voltage: DC12V Standard Structure: Plexiglass Touch Trigger Electrical Performance: 3A / 12VDC Contact Output: Normally Open / Normally Closed / COM Contact Durability Test: 500,000 Aging Test Qualified Application: Suitable for Various Door Frames Applicable Temperature: -20 - + 50℃ Applicable Humidity: 0% - 95 (Relative Humidity) Trigger Device: Infrared Sensor . Package List: 1 x Infrared Sensor Switch1 x Mounting Screw Bag