LED PAR38 light bulbs are a 110/230 volt lamp which uses LED technology in a PAR38 bulb. Most often people recognize these as their outdoor floodlights that they use, but they're also used in indoor track lighting applications. - 72 LED's in the array. - 100,000 average rated life. - Medium Base. - Power Usage: 13 Watts - Voltage: 110/230v - White, red, green, blue, yellow and rainbow color choices