Dream Lighting LED Square Recessed Down 3.5W Silver Shell Pack of 4 This compact recessed LED light is designed for narrow space, including RV, camper trailer, coach, boat, yacht, ship and other interior illumination. A nice accent lighting fixture for cabin, kitchen, cabinet, counter, stateroom, living room. LED is highly efficient and energy saving. High quality LEDs produce 185lumens light output at 3.5watt, equivalent to a 35W halogen bulb. Besides, it is dimmable if wired to a proper dimmer (not provided). There are gaps in the base plate for heat dissipation to make sure safe use even in narrow space. Its shiny chrome-plated finish is eye catching and durable. Low profile design matches other interior decorations. Recessed mount design, cutout: 2.08inch / 53mm. Wiring: black wire for positive and white wire for negative/ground. One year warranty!