The Bright 1000 BCLHB240-MT-50 240W LED commercial linear high bay light fixture has a rated voltage of 100-277V with a luminosity of 28800Lm and color temperature of 5000K. It has an operating temperature range of -40 C to 50 C (-40 F to 122 F). It replaces 8 lamp fluorescent high bay fixtures. Not recommended for ceiling heights under 10 ft. This product has been discontinued and will no longer be available when stock sells out