Detection range: 0 ... 400 mm , adjustable, Light source: LED, Light type: modulated visible red light 660 nm, Signal output: Push pull output, short circuit protected, reverse polarity protected, Switching type: light/dark on, switchable, Connection: 4 pin, M12 x 1 connector, Operating voltage: 10 ... 30 V DC , class 2, Ambient temperature: 25 ... 70 DegreesC ( 13 ... 158 DegreesF)