[Hand Free Sensor Open Door via Hand Wave Sensor Button]Touchless wave to open the door, non-touch, safer for users^^[High IP Class, Waterproof for Outdoor]High waterproof IP class IP65, avilable for both residential and commercial automatic door opener^^[Long Hand Wave Sensoring Distance]Long wave sensoring distance, it can be up to 11.81 inch^^[Durable]Staineless steel panel, durable and easy to clean^^[Work with Kinds of Auto Door, Access Control System]Large capacity output, can be used with automatic door, electric lock and access control which has terminals NO, COM, AC/DC power input to connect with the hand wave handicap sensor button