Attributes . FLuorescent Lamp, T5 Bulb Shape, 48 in Length, 3-1/2 in Width, 16 in Height, 120 to 277 V, 324 W, Programmed, Medium 2 Pin Base, 2000 h Average Life, 85, 24008 lm Brightness (Lumens), Heavy Duty 22 Gauge Steel Housing Material, Surface Mount;Chain Mount, 21.0 lb/EA . Names