Feature: 1. Infrared optical technology, it supports touch opening of the door, which can reduce the spread of bacteria and cross infection, which is more convenient. 2. Equipped with two‑color LED indicator light, the button is blue in standby mode, when a finger is sensed, the LED will turn green. 3. The service life has been tested up to 500,000 times, the sensing distance is 5‑15 cm/0.2‑0.6in, the working temperature is between ‑10℃‑55℃. 4. The size is 84x84x20mm/3.3x3.3x0.8in, small and light, it can be installed by simple steps, and will bring more convenience to you. 5. Made of high‑quality ABS material, hard, durable and wear‑resistant and also has long service life. Specification: Condition: 100% Brand NewItem Type: Infrared Door Exit .Material: ABSColor: BlackInstallation: Surface Mount Output Contact: NO / NC / COM Blue LED Indicator: Standby Green LED Indicator: Activity Size: Approx. 84 x 84 x 20mm/3.3 x 3.3 x 0.8in, Rated Current: 3A at 12-24V DC Maximum Output Contact: NO / NC / COM Mechanical Life: 500000 Tested Induction Distance: Approx. 5-15cm/0.2-0.6in Working Temperature: -10℃-55℃ Working Humidity: 0%-95% (Relative Humidity) Package List: 1 x Infrared Door Exit 1 x Bag of Screw