1. Energy-saving 2. Environmental protection 3. Long life span 4.Good heating dissipation 1. Energy-saving and low cost. Can save power over 80%;2. Life expectancy 50, 000 hours, is 10 times of traditional lamp cup, it can be used very long time, not need change, which can save labor cost;3. No mercury, irradiation (UV, IR), environment friendly;4. Wide input voltage range: 90V~260VAC, it can be ...