SmokePhonics (powered by MiracleLED) is dedicated to following the forefront of years of LED development. These bulbs are specifically designed to consume as little energy as possible without sacrificing quality! Compared to old incandescent grow bulbs that burn hot and last only up to 2,000 hours, SmokePhonics LED Grow Lights are rated to last up to 50,000 hours! This product contains no harmful mercury and emits virtually no heat, preventing withering or wilting on the most sensitive grow projects and plants.