Pair of 4" Round Red LED Stop Tail Turn Trailer Light Kits w/Boxes Two 4" Round Red LED Lights With Black Mounting Boxes Each LED Light has 10 Super Bright Diodes The Mounting Box is black enamel coated steel construction which provides extra durability, environment and theft protection Light Dimensions: Diameter: 4", Depth: 7/8" Box Dimensions: Height: 6-1/4", Width 6-1/4", Depth: 3-5/8" Includes Grommet and Pigtail For Easy Installation and Wiring/uL