12V LED ceiling light for RVs, 2-pack dome roof lighting with on/off switch[ Easy to Install ] Size: 128mm in diameter and about 21mm in thickness. After the power is off, remove the original light, determine the function of each line (red line is positive, black line is negative, yellow line is door light), pass the original line through the center hole of the base plate, and install the base plate with screws OK, connect the leads and fix them with screws.<br> [ High Brightness Energy Saving ] Ceiling light is composed of 46 LEDs. The low power of 5W can definitely save you electricity, and the high brightness can save energy at the same time, improve resource utilization, and be green and environmentally friendly.<br> [ 2pcs Classic Minimalist Design ] 2pcs economical and practical. It adopts a minimalist style design, and it decorates the interior of the car while glowing.<br> [ Electroplated Shell ] Shell is treated with high-grade chrome plating, high-quality material, novel design, beautiful and durable, the best choice for decorating your car.<br> [ Wide Applications ] Ceiling lights are ideal for mounting on vans, trucks, RVs, caravans, RVs, trucks, trailers, boats and other DC 12V cars. Do not use on cars that do not match the voltage.