Twidec/ 0-2M Adjustable Indoor Wall Mounted Photoelectric Beam Sensor Npn, G. Photoelectric Switch control by infraredray, as a apporach sensor, includeing a transmitter and receiver in it. A retroreflective arrangement places the transmitter and receiver at the same location and uses a reflector to bounce the light beam back from the transmitter to the receiver. An object is sensed when the beam is interrupted and fails to reach the receiver. Can be applied in security system, manufacturing industry. Weatherproof (IP66) construction for indoor/outdoor usage.Safety sensor for garage doors or outdoor gates,Overhead door security sensor,Industrial automation, Detect small objects on manufacturing line,Entry detection for store fronts,Assist in measuring parking distance,Alarm sensor etc.. Supply Voltage:10-30V DC;Type : NPN?Switchable normally open or normally closed?;Wire Type : DC 3 Wire Sensory Distance : 0-2m?Adjustable distance??Color : Black;Working temperature: -25-55 degrees. Body Size?34mm x11mm x 21mm/1.34" x0.43" x0.82"(L*W*H);Cable Length : 200cm/78.7";Weight : 70g Package Content: 1 x Photoelectric Switch+1 x Mounting Bracket(with screws,nut)+1 x Reflector Panel This product is widely used in outdoors gates, garage doors for indoor/outdoor usage etc.