Low Profile ceiling light: The thickness of this light weight RV ceiling light is only 0.6 inch, super slim Its very cute and handy that can fit narrow places on your RV boat, RV Coach, enclosed trailer, motorhome, camper, cabinet, etc., achieving anexcellent modern look decoration effect. Full Aluminum: The shell is made of full aluminum material, ensuring an excellent heat dissipation from the inside lamp, which can extend the lifespan of the RV interior lights more than 50000 hours. Recessed Mount: The installation is a breeze Connect the wire with the power supply and then put the RV ceiling lights into the hole. The spring clips is very strong and holds the light in place well. Recessed mounting is great easy, providingneat finish and saving much of your time Low Voltage: These RV puck lights are powered by DC 12V, which are touchable, very safe to use. (For home use, a DC 12V adapter is needed for power supply. House power is AC220V). Plenty of Light: Low profile but high lumen rating of these RV interior light fixtures, which are extremely generous for your RV boat. Its CRI is over 80 to ensure you get a natural & comfortable warm light with great brightness but no glaring.