high lumen led light 1, Power: 20w,TUV,UL 2, Double-sided PC cover 3, lockable rotating end cap 4, Isolated driver ... , and applicable to every field.Features (product structure features) :1, Double-sided PC Cover2, Latest lockable rotating end cap, newest attractive and ... the single tube did the task of two. Double side pc lens with double side lighting, more energy efficient and save space ...