2-1/2-Inch wide by 3-3/4-Inch high by 10-Inch deep * Requires one (1) 20-watt (50-watt max.) 12-volt MR-16 bulb * Supplied with a Junction Box Mounting Bracket (15609) and 35-Inch of usable 18-2 gauge SPT-1-W lead wire and cable connector for easy installation * Requires a low voltage transformer (sold separately) for safe illumination * UL/CSA listed for wet location use