Features: 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. Specification: Condition: 100% brand new_x000D_ Item Type: Infrared sensor switch_x000D_ Material: Stainless steel_x000D_ Color: As pictures shown_x000D_ Dimension: Approx.115(L) x width 70(W) x 27mm/4.5x2.8x1.1in_x000D_ Input Voltage: DC12V_x000D_ Standard Structure: Organic glass touch trigger_x000D_ Electrical Performance: 3A / 12VDC_x000D_ Contact Output: 12V/GND/NO/NC/COM contact_x000D_ Durability Test: 500000 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 Pack of Installation Screw