8104AL Finish: Metallic Aluminum Features: -Track light.-Track attachment fitting: Molded polycarbonate, rotates into track.-Push tab: Molded polycarbonate, locks and detaches unit.-Track adaptor Housing: Die-cast aluminum.-Movable contact: Solid brass, extends for connection to 2nd circuit in advent track.-Ballast housing: Extruded aluminum housing with die-cast aluminum end caps.-Ballast: High power factor metal halide electronic ballast.-Lamp housing: Die-cast aluminum with cool-grip insulation band; a high temperature silicone rubber which allows aiming adjustments while fixture is on. Includes: -Cowl: Painted steel; retaining ring included to hold accessory in place. Options: -Available in Metallic Aluminum, Matte Black or Matte white finishes. Specifications: -Thermally protected, 0.20A maximum input current, 24.5W input power.-Tension pivot mounts: Allows for 350 horizontal and 180 vertical rotation with tensioned mounts for controlled aim.-lamp holder: 5KV (600V) pulse rated glazed porcelain body socket with plated nickel screw shell and lamp contacts.-18AWG SEW-2 leads encased in fiberglass sleeving.-Accommodates: 1 x 20W PAR20 CMH (M156) E26 base (bulb not included). Dimensions: -Overall dimensions: 5.25" H x 3.25" W x 4.88" D.