1、Double LED indicator light design is suitable for dark places. The sensing distance is within 10cm/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. 1 x Infrared Sensor Switch1 x Pack of Installation Screw Condition: 100% brand newItem Type: Infrared sensor switchMaterial: Stainless steelColor: As pictures shownDimension: Approx.115(L) x width 70(W) x 27mm/ 4.5x 2.8x 1.1inInput Voltage: DC12VStandard Structure: Organic glass touch triggerElectrical Performance: 3A / 12VDCContact Output: 12V/GND/NO/NC/COM contactDurability Test: 500000 aging test qualifiedApplication: Suitable for various door framesApplicable Temperature: -20-+50℃Applicable Humidity: 0%-95% (relative humidity)Trigger Device: Infrared sensor