Specification:Product name: R7S metal halide lamp holderPlug specifications: R7SMaterial: ceramic, metalRated current: 2ARated voltage: 110-250V ACSize: 118mm / 4.65 inchesMaximum working temperature: 250 degrees CelsiusPackage content: 2PCS R7S metal halide lamp holderFeatureR7S socket double-ended ceramic lamp holder, suitable for LED halogen lamp CFL bulb converter.The ceramic end has the highest durability, while the metal handle has the strongest durability.The product is equipped with a cable to facilitate connection.Suitable for R7S double-ended metal halide lamps, floodlights, work lamps, workshop lamps, stage and studio lamps, floor lamps, street lamps, outdoor lamps, 78 lamp holders, DIY projectors, etc.