GL6 Standard Optic Photoelectric Retro-Reflective Sensor, Voltage Rating: 10 - 30 VDC, Amperage Rating: Less Than Or Equal To 30 MILAMP Without Load, Output: 100 MILAMP, Sensing Range: Less Than Or Equal To 6 MR, Sensing Beam: 650 NMTR Visible Red LED, Output: NPN, Open Collector, Light/Dark Switching, Lens: PMMA, Enclosure: IP67, Response Time: Less Than 625 MICSEC, Connection: 4-Pin M8 Connector, Size: 12 MM Width X 31.5 MM Height X 21 MM Depth, Operating Temperature: -25 To 55 DEG C, Environmental Conditions: Storage Temperature: -40 To 70 DEG C, Protection Class: III, Housing Material: ABS/PC Plastic, Light Spot Size: 8 MM Diameter At 350 MM, Switching Frequency: 1000 HZ, Standard: UL Listed, CE Certified