Fluorescent High Bay Fixture, Lamp Quantity 6, Lamp Type T8, Suggested Lamp Item No. 3VK30, Fixture Wattage 193W, Voltage 120 to 277VAC, Description/Special Features Cold Storage with Heat Slots, Length 48-1/8 In., Width 18-1/8 In., Height 2-3/8 In., Light Distribution Narrow, Reflector Type MIRO 4, Reflector Material Aluminum, Mounting Height 15 to 40 ft., Space to Mtg. Height Ratio 1, Lamp Watts 32W, Ballast Type Electronic Instant Start, Ballast Quantity 1