... :2x18w,with 2 pcs of 18w tranditional fluorescent lamp or 60cm LED tube)The size of 2x18w:67.5x12.6x8. ... "1x18w,1x36w,2x36w,1x58w,2x58w,1x70w,2x70w" and T5 series(1x14w,2x14w,1x28w,2x28w,1x35w,2x35w,1x54w,2x54w).2.Material ... or stainless steel clip.4.This kind of lamp can used LED tube in it.Energy saving and assembling more ... Durable in use.9.More safety.10.Certificate: weatherproof lamp B series 2x18w