Vapor Proof Globe and Guard 300 Watt. Max. Medium base Socket.Die cast aluminum. SIZE: WIDTH: 5-5/8" HIGHT: 11-1/4" DEPTH: 5-5/8" MAX WATTS: INC: 300W. FLUORESCENT:Up to 42W Metal Halide 35w to 100w (Remote Ballast) VOLTAGE 120V ACCESORIES (ORDER SEPARATELY