... rotating end cap 4, Isolated driver high lumen led light 1, Ervan LED Tube is designed to replace ... nees a little circuit change).2, Ervan LED Tube sdopts the newest high efficiency chip and ... 30,000 hrs.4, Convenient to deliver. Ervan LED Tube sdopts special PC(Polycarbonate) plastic with soft ... >50,000hrs4, High brightness, adopts high quality LED chip with about 24mA current.Very strict testing steps ...