White adjustable eyeball trim for 4 inch inside diameter housings. Easy to install with all mounting hardware and instructions included. IC (insulation contact) and NON-IC rated. Uses (1) R20 or PAR20 light bulb, not included. Compatible with incandescent, R20 and PAR20 LED (light emitting diode) and CFL (compact fluorescent) bulbs. UL (Underwriter's Laboratories) listed.