Robust LED Tri-Proof lightst for a wide range of interior and exterior applications such as: technical areas, engine rooms, work shops, storage areas, passage ways, decks,.... Anodized seawater resistant aluminium, polycarbonate cover and 316SS hardware. Overload, over-voltage, over-temperature and short circuit protection. 3 versions: STANDARD with 2 glands, 3H BATTERY EMERGENCY with 3 glands, and 20-30V EMERGENCY CIRCUIT with 3 glands. On evry version glands are M20 fast connecting cable glands.