Features: · No touch / Touch free Exit Sensor (Diffused Detection) · Optical / Infrared Technology · IP-55 Ingress Protection / SUS 304 Stainless steel Plate · User friendly (Healthy protection) · Free from contagious diseases spread · Detection range: 0.1 ~ 10 cm · Application: Gate/Door/Exit/Automation control · High capacity of relay dry contact (3A/AC120V,DC30V) · Normally open/Normally close/Common relay output · Twin led indicators for sensor standby or approached : (1) Sensor Standby: BLUE LED ON (2) Visitors whom approached to the sensor in 10 cm : RED LED ON