... High-quality aluminum housing, and good heat dissipation,2. LED light source, no radiation, no heavy metal pollution, high performance, high ... Durable and energy-saving, only consume 1/10 energy of incandescent lamp but life expectancy has extended more than 100 times ... .5. No mercury pollution, no radiation, recyclable, and green light.6. CE certificate and RoHS compliance7. Can be designed according ...