This off-grid/interior RV LED bulb is are designed for use in cabins, tiny house trailers, mobile trailer shops, food trucks, RVs, boats, and other off-grid, low-voltage applications that accept A15 or G14 bulbs with E26/E27 medium screw bases. The bulb's low current draw also makes it ideal for off-grid living and renewable energy applications such as hydro and solar powered lights. Using powerful LEDs, the A15 LED globe bulb emits up to 500 lumens of warm white, natural white, or cool white illumination through a frosted lens. The LED light consumes just 5 watts of power; an incandescent bulb with comparable light output would consume 40 watts. This bulb operates within an 10-15 VDC range and is designed to last 25 times longer than incandescent bulbs.