Effective detection range: 0 ... 18 m, Light source: laser diode, Light type: modulated visible red light, Signal output: Push pull (4 in 1) output short circuit protected overvoltage 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 ... 55 DegreesC ( 13 ... 131 DegreesF)