Features:*Multiple-base and Fixed-base Lamp are vailable*Heat insulation and rust-proof plastic lamp base*Prevents harmful soldering on lamp base*With a excurvature bottom to enlarge the lighting area than normal 3U energy saving lamps*Unique in design, innvovative, compact and stylish*Worldwide patent*Substantial energy saving up to 80%*Long life time with low lumen attenuation,Average lifetime up to 8,000-10,000 hrsSpecification:*Wattage(W):9,11,13,15,18*Life time:8,000-10,000hrs*Standard pack:50pcs*Color temperature:2700-6400K*Lamp base:E27,E26,E14,B22UL, GS, CE, EMC, RoHS approval, ISO9001,ISO14001,OHSAS18001 quality guarantee