WL2000 Photoelectric Retro-Reflective Sensor, Voltage Rating: 90 - 240 VAC, Amperage Rating: 150 MILAMP At 240 V Switching, Wattage: Less Than Equal To 6 WTT Without Load, Sensing Range: 0 - 49 FT, Sensing Beam: 660 NMTR Visible Red LED, Output: FET, Light/Dark Switching, Enclosure: IP67, NEMA 6, Response Time: Less Than Or Equal To 2 MS, Connection: 4-Pin Mini Connector, Size: 45 MM Width X 73.7 MM Height X 48.6 MM Depth, Operating Temperature: -25 To 40 DEG C, Environmental Conditions: Storage Temperature: -40 To 70 DEG C, Protection Class: II, Housing Material: Glass Fiber Reinforced Plastic, Light Spot Size: 320 MM Diameter At 14 MR, Switching Frequency: 250 HZ, Standard: C/US UL Listed