For outdoor or indoor lighting use May be used with Bell cluster covers and boxes Rugged metallic construction State-of-the-art powder coat finish provides maximum weatherability and scratch-resistance Locking swivel knuckle assures positive lamp positioning and provides pin point directional aiming Extra long wire leads for easy hook-up Each lampholder supplied with a porcelain socket, inside gasket, .50" locknut and multi-lingual instructions UL Listed-Standard 496, 1570 & 1571 - SKU: JNSN23815