Detection range: 50 ... 450 mm adjustable, Light source: LED, Light type: modulated visible red light , 640 nm, Signal output: N channel MOSFET, short circuit protected, Switching type: light on, Connection: Micro AC connector, 1/2" V124 ; 4 pin, Operating voltage: 20 ... 250 V AC/DC, Ambient temperature: 20 ... 60 DegreesC ( 4 ... 140 DegreesF)