3-Light Halogen Low Voltage Straight Edged Slim Disk with Dipped Frosted Glass Lens Kit in White. Halogen Straight Edged Slim Disk with Dipped Frosted Glass Lens Kit - White. Xenon and Halogen Slim Disks offer small-scale, slender, surface-hugging design in high output low-energy sources that provide luminous true white light. Constructed of machined aluminum, fixtures measure less than 3" in diameter, and can either be recessed or surface mountedIncludes 3 fixtures and a wall plugged power supply. Slim Disks include 72" Teflon insulated wire and AMP connectors for quick connections to transformers The occasional re-lamping is made easy by simply twisting off the trim ring. Please note: Slim Disks are not intended for use in wall or ceiling applications. Bulb Base: (3) G4 Bi Pin Halogen 20W bulb included. 12V. Dry Location.