Detailed Product Description Features: 1) Low power consumption: 4W 2) High brightness: up to 300 lumen, 8 times than the incandescent lamps 3) Long life: up to 50,000 hours, adopted the PWM constant current power, protect the LEDs efficiently 4) Robust design: shock and vibration resistant 5) Light beam: low heat generated/no UV, adopts the integrative lamp cup and radiator, scatter heat quickly 6) Easy installation: fits and replace the traditional MR or Edison light source directly 7) Save money: reduces labor and maintenance costs