Effective detection range: 0 ... 18 m, Light source: LED, Light type: modulated visible red light , 630 nm, Signal output: 2 push pull (4 in 1) outputs, short circuit protected, reverse polarity protected, Switching type: light/dark on, switchable, Connection: 2 m fixed cable, Operating voltage: 10 ... 30 V DC, Ambient temperature: 40 ... 55 DegreesC ( 40 ... 131 DegreesF)