... .Energy saving 3.Thermal release design for lamp cup 4.Lifespan:50000hours+ 5.Certificates:CE,ROHS&UL ... Energy efficient and environmental friendly. 7,Anti-shake, convenient for transportation. 8,Best thermal emitting with aluminum alloy housing. ... ,institution building 2.theatre, stage and museum lighting, etc. Replacement for halogen lamps,incandescent bulbs 3.Schools, Colleges, University, Hospitals ...