Panasonic Retroreflective light barrier CX491Z CX491Z Light-ON, Dark-ON, Switch (light-ON/dark-ON) 1 pc(s)

Connector (sensor): M8 (4-pin); Functions (light barriers): Light-ON, Dark-ON, Switch (light-ON/dark-ON); IP rating: IP67; Max. operating voltage: 24 V DC; Max. range (open field): 3 m; Max. temperature: +55 °C; Min. operating voltage: 12 V DC; Min. temperature: -25 °C; Outputs (sensors): NPN; Product size (depth): 11.5 mm; Product size (height): 43 mm; Product size (width): 21 mm; Response time: 1 ms

Price: 119.99 from Conrad Electronic