Halo Roundback Cylinder lampholders utilize a variety of lamps. Lampholders are yoke mounted and are available in satin white and matte black finishes. Models come in both low and line voltage and also offer optional barn doors, color filters, optical lenses and baffles. Halo Roundback lampholders are compatible with all Halo Power-Trac systems. Ideal for accent and display lighting applications where high coloring rendering and precise beam control are required.