* Grow plants faster AND healthier from seedlings to flowering * Get higher yields * Reduce energy costs * Simple screw in installation * No cables or extra structure or extra circuits * Minimum heat generated * Reduce watering * Great value * LED PAR38 bulb. 27W rating. 9 Epistar 3W LEDs - 6 Red and 3 Blue. Standard E 26/27 Socket. * PAR - Photosynthetic Active Radiation -Peaks at 460 nm (red) and 630 nm (blue) engineered for maximum growth. * Low energy use. Intense lumens output. Negligible heat produced * Simple screw-in mounting. No fan. No heavy hanging cables. No mounting hardware. Only weighs 14 oz. * 50,000 hr life. 3 mo seller replacement warranty. ISO9001:2000 in 2014