Feature: 1. Double LED indicator light design is suitable for dark places. The sensing distance is within 10cm/3.9in. 2. This panel is made of stainless steel wire drawing, waterproof and dustproof, safe and durable in use. 3. No touch infrared exit sensor, no need to touch the button, very convenient and practical. 4. This sensor switch is easy to install and use, widely used in door access control system. 5. With blue backlight design, this switch uses infrared optical technology. The button is blue when in the standby state, to find the position of the switch accurately. When the finger responds to the infrared light, the backlight will turn red and the door will open. Spec: Condition: 100% brand new Item Type: Infrared sensor switch Material: Stainless steel Color: As pictures shown Dimension: Approx.115(L) x width 70(W) x 27mm/4.5x2.8x1.1in Input Voltage: DC12V Standard Structure: Organic glass touch trigger Electrical Performance: 3A / 12VDC Contact Output: 12V/GND/NO/NC/COM contact Durability Test: 500000 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 Switch 1 x Pack of Installation Screw