The MPC-50H is a Commercial Grade PIR High Bay Line Voltage Fixture Mount Sensor that turning lights ON/OFF based on motion detection and ambient light level. This unit is specifically designed for high bay and fixture mounted applications that offering 2 kind of lens to cover the ceiling height from 8 ft to 50 ft, and allowing a wide variety of application. such as warehouses, manufacturing and other high ceiling and fixture applications. FeaturesInput Voltage: 120-277 VAC, 50/60HzIncandescent/Tungsten: 800W @ 120VAC, 50/60HzFluorescent/Ballast: 800VA @ 120VAC / 1200VA @ 277VAC. 50/60HzMotor: 1/4 HP, 120 VACWire Designation: Hot, Load, NeutralOperating Temperature: 32°F to 131°F (0°C to +50°C)Adjustable Time Delay: 15 sec-30minSensitivity Adjustment: 50%/100%Coverage: 360° of view; MPC-50H-L2: 1200sq.ft & MPC-50H-L1: 2800sq.ftPassive infrared technology (PIR)Multi-level, 360° Fresnel lens for superior occupancy detectionControls incandescent, CFL, and LED lightingTwo-year warranty Testing & Code Compliance:Certification: UL/CUL ListedCalifornia Title 24 Compliant