ChiChinLighting&reg; E27 3W 12V 3000K Warm White LED Light Bulb LED BULB  Number one seller 12v 3w lights consume less electricity and achieves full brightness with less energy ENERGY SAVINGEnergy efficient great for solar lighting, off the grid cabins, 5th wheel trailers, marine, boats, etc LOW VOLTAGE  E26 standard screw base globe type LED light bulbs offer lower voltage and last up to 40,000 BRIGHTNESS - Over 250 lm of brightness of warm white light, comparable to 30w incandescent bulbs NOTE  This bulb should not be used with a dimmer switch