Baxter Linear High Bay Series NumberILHBBTMSSize2FT or 4FTVoltage120-277V & 347-480V optionalLED Watt90W/130W/180W/210WLumen OutputVariableDimmingStandard 1-10V dimming. Our Baxter Linear High Bay is dimmable with the options of adding a motion sensor or Emergency backup driver. Ideal applications range from warehouses, storage facilities, factories, gymnasiums, or any application with high ceilings in need of a high lumen output with 130-140 LM/W.