1. Energy-saving 2. Environmental protection 3. Long life span 4. Good heat dissipation 1. Energy-saving ... long time, not need change, which can save labor cost;3. No mercury, irradiation (UV, IR), environment friendly;4. Wide input ... design and low temperature, extending the life of LED.ApplicationIt is standard A19 LED Bulb, direct replacement for 50W halogen lamp. Used for ...