... Long lifespan,more than 10,000H 2)High-pressure die cast aluminum fixture 3)High-efficiency & Energy-economic 4)High luminous ... and more than 90% than incandescent lamp.High-pressure die-cast aluminum body featuring high-strength and anti-corrosion, and the ... electrode-less lamp, uses a dedicated design, from high-purity aluminum sheet stretch forming.High-transparent glass lamps and high-strength ...