18 Watt LED Tube Light. UL Listed. 176 pcs SMD 3014 LED Chips. Wide voltage range 100-277VAC. Great for 277 line voltage. Must remove ballast and starter in the fixture. White 6000K. 4 Foot LED tube light. Uses G13 2 pin end caps which are the normal end caps on fluorescent T8 bulbs. LED Tube lights have no mercury so they are great for the enviroment, unlike fluorescent bulbs have deadly mercury. White 6000K. Line voltage is applied to one end of led tube light. Milk lens cover.