Get amazingly bright light and brilliant energy savings with the GT-Lite® 150-Watt replacement high-lumen LED bulb. The brilliant light provided by this LED bulb is rated at 5,000K, daylight-light temperature and shines accurate with an 80-color rendering index. This bulb uses only 25 watts of energy meaning that it uses 83 percent less energy than an equivalent incandescent bulb. This bulb can run in damp locations and is rated to run for 25,000 hours! Since this bulb utilizes LED technology, it is 100 percent mercury free.