LED linear High Bay is an ideal one-to-one replacement for conventional HID and fluorescent lighting systems in large indoor spaces, including manufacturing, warehousing, commercial, and gymnasium applications with mounting heights ranging from 10 ft. to 45 ft. The MX898F series is designed to replace 250W to 400W metal halide fixtures while consuming up to 57% less energy and operating for 40,000 hours. The expected service life is more than 9 years at 12 hours/day operation.Die-cast aluminum end caps enclose a heavy gauge steel fixture body and side rails. Rigid design resists twisting and bowing. Die-cast end caps have multiple knockouts to support optional controls. Heavy gauge steel fixture body and die-formed, heavy gauge aluminum power supply channel are perforated for superior cooling through natural convection to maximize the life of LEDs and power supplies120-277V LED power supply, power factor >0.9. 0-10V dimmable standard. Power supplies are mounted in direct contact with aluminum power supply channel for cooler operation and longer life.Suitable for suspension by chain, cable, or pendant mount. Mounting accessories sold separately. The recommended mounting height range is from 10 ft. to 45 feet.Sensor Info:Model:PIR light switch Sensor Power supply:120VAC,220VAC,120v-277vAC,120V-347VAC ,50/60HzInstalling mode:Indoor,ceiling installationsensor type:PIR/microphonicsdetection agnel:360degreedetection distance:1-8m(radii.),adjustabletime setting:10sec-30min adjustablelight control:10-2000LuxTransmission power:<0.2mWdetection range,time setting, light-control can be customization available.Remote control function optional