Being one of the pioneers of the LED revolution, Seoul Semiconductor is known for its break-through innovation in LED lighting technology. These modules have guaranteed life time up to 42,500 hours with 70% lighting output. Running 24 hour constant load may result in less operating hours with lower lighting output. Estimated lifetime is based on normal usage of 10 hours per day. High powered Seoul Semi Conductor LED lamps is designed with 165° viewing angle for high application efficiency as compared to general mid-powered led modules.