LED Dome Light - 4" High Power White LED Downlight - 12 Volt - Fixed Mount - for Home, Auto, Truck, RV, Boat and Aircraft Powerful 12 Volt DC Dome Light with On/Off rocker switch. Fully waterproof design. 4.0" width, powerful 3528 LED array projects super bright lighting. 90 lumen. Beam angle of 120 degrees or more. Easy to install. Innovative design permits you to rotate and remove the waterproof lighting unit while installing the base using included mounting screws Directly wire to your boat, RV, truck, car, or utility vehicle 12 Volt power Fresnel lens broadly distributes lighting. Ideal for utility use anywhere you need extra light