The LED Candelabra Bulb MR PL2 is Dimmable with your standard household dimmer. E12 Candelabra base LED bulbs are powered by 120 VAC. The globe is frosted glass and is installed on an aluminum-metal alloy base. Threaded base is 12mm in diameter, which is also called an E12 base. Due to web color rendition, color may not be exactly as shown. Bulb on the left is daylight white; warm white on the right. Click images to enlarge.