... .Environment friendly ,energy saving (80%) 2.Low heat,low power consumption/high intensity3.Instant light up without flickening(<100ns)4 ... free6.Long lifespan:>40,000hrs . Application of 4w high power led spotlight It can be application in Living house, Exhibition ... , supermarket, hotel, factory, school, meeting room, etc.... Note 1. Switch off the electricity before replacing the lamp 2. Keep away ...