IP65 T8 waterproof lighting fixture Square and round type Cover :PC PS Base;PC ABS 1x18W 2x18W 1x36W 2x36W 1x58W 2x58WCan be with electronic ballast or inductive ballastEasy and quick to installation under ceiling or on surface suitable for hospitals, canteens,wor kshop, a swimming pool, indoor space and square, tunnels, subway... IP65 waterproof lighting fixture