Retro-Reflective Optical Sensor Dimensions L x W x H: 37 x 12 x 28.6 mm Operating temperature: -25...+55 °C Switching interval: 10...3500 mm Connection: Plug M8, 4-Pin Housing Material: Stainless Steel / ABS Light type: Red Light Output: PNP Protection rating: IP67 Sensor type: Retro-Reflective Sensor Switching type: Lighting On-/Lighting Off Operating voltage: 10...30 VDC