... led light 1, Power: 20w,TUV,UL 2, Double-sided PC cover 3, lockable rotating end cap 4 ... high efficiency chip and good heat dissipation aluminum board to make the LED Light source in a ... to every field.Features (product structure features) :1, Double-sided PC Cover2, Latest lockable rotating end cap, newest ... tube did the task of two. Double side pc lens with double side lighting, more energy efficient and ...