These bulbs features a thermal plastic body and allow a dimming range of 30% - 100% light outputMiniSun Dimmable G9 LED bulbs are designed to operate with Electronic Trailing Edge Dimmer Switches (conventional Leading Edge dimmer switches will not operate these bulbs and may cause irreparable damage to the LED bulb)At only 3 Watts these bulb are ultra-energy efficient. LED bulbs like this produce excellent light quality at a fraction of the cost of traditional lightingThe G9 bulb is designed to significantly reduce energy consumption by up to 90% and deliver long life performance: with an incredible maintenance free 20,000 hours of useTo learn more about LED Lighting visit our blog postAvailable in daylight and warm white