Review on 🔆 Bluefire 4 Pack Upgraded Super Bright DC 12V Led RV Ceiling Double Dome Light - Natural White Interior Lighting for Trailer Camper RV Boat by Tom Reasons

I use them for overhead lighting in the middle of a 40ft container powered by solar kit so I don't have to run 120v power line underground . Not having to worry about positive or negative polarity made it easier and quicker to route the two core wires between the four lights and didn't have to keep track of which wire was + or -. at a high level over the entire length of the tank. The lower setting option comes in handy when your battery is low or dead. Another feature that most people don't think of is the tight fit of the clear lenses attached to each end of the lights. Assuming the light's plastic base fits snugly against the mounting surface, small flying insects attracted to the light will not find a way through and will eventually die lying on the inside of the lenses.