Quality Materials - Assemble with A-listed LED chips, fire resistant PC lens, lightweight coated Aluminum plate, have these 3inch Dome Lights worked stably in DC 12volt applications. Energy Saving - Only draws 2.3 watts, 160mA, it output 175 lumens bright lighting, it is harmonious to your batteries and no need to worry about the energy drop out.3. Fast installation - It is surface mount designed, directly hold it in the ceiling with few screws(not provided). applications - with low-profile overall, this small dome light well fits to RV, camper trailer, motor home, coach, boat, yacht, ect, interior storage compartment, kitchen cabinet, bedroom heat dissipation - The LEDs are built on an aluminum board that has good heat dissipation. Stable performance and long diode life is well guaranteed.