OBR2500-12GM40-E4-V1

Effective detection range: 0 ... 2500 mm, Light source: LED, Light type: red , 640 nm, Signal output: 1 NPN output, short-circuit protected, reverse polarity protected, open collector, Switching type: light/dark on electrically switchable, Connection: 4-pin, M12 x 1 connector, Operating voltage: 10 ... 30 V DC , class 2, Ambient temperature: -30 ... 60 °C (-22 ... 140 °F)