High efficiency and energy saving with built in ultra quiet inductive ballast or high efficiency electronic ballast. T5 ... ,28W,35W2, Body Material- PC or PVC Body, PC or acrylic cover 3, Lampholder-Anti-flaming PC plastic lampholder4, Electronic ballast ... energy conservation improvement and so on T5 wall lamp fixtures built in EB 6w/8w/13w/14w/21w/28w/35w