4ft Linear High Bay, 46,500 Lumens, 150W/225W/300W Selectable, 4000K, 120-277V, White Finish Wattage_51 - 60 W 1-LED slim line fixture with

1-LED slim line fixture with mounting arm

and they also suit a variety of mounts

It features a high power factor and a normal ballast factor

Internal solid-state transfer switch automatically connects the internal battery to LED board and LED lamp heads for minimum of 90-minute emergency illumination

Universal 120-277 voltage

4ft Linear High Bay, 46,500 Lumens, 150W/225W/300W Selectable, 4000K, 120-277V, White Finish Wattage_51 - 60 W 1-LED slim line fixture withIdeal for replacement of conventional lighting systems such as HID and fluorescent. Applications include manufacturing warehousing and other large indoor spaces with mounting heights from 10ft. to 40ft. the fixture can be surface mounted also. High Quality LED Chips to Provide High Efficiency, Heat Dissipation Polycarbonate Lens, High Flame Retardant Point Operating Temperature: 4F ~ 131F