Product details:

T846 PAR38 Cylindra Series Track Fixture feature a die cast aluminum housing with 360 degree horizontal rotation and 105 degree vertical aiming capability. Medium base porcelain socket. On-off switch included. Finish available in White, Silver or Black. One 45-150 watt, 120 volt PAR38 medium base bulb is required, but not included. Halogen dimmable with a standard incandescent dimmer. Consult bulb manufacturer for dimmer compatibility when using LED bulb option. Includes accessory holder and accommodates up to two accessories simultaneously. Optional optical accessories available, sold separately. UL listed. Compatible with Juno Lighting Trac-Lites, Trac Master 1-circuit and Trac-Master 2-circuit 120 volt line voltage track systems.