GU10 CFLs Features: 1) With waterproof shape, can be used in moist space,like washroon, showering room etc; 2) Dimmension & Watt: Waterproof GU10 CFL: Tube Diameter: 8mm, D: 50mm, H: 76mm (Watt: 5W, 7W, 9W, 11W); 3) Life time:8000hrs; 4) Lamp current wave peak ratio <1. 7 CF; 5) Color: 2700K, 4000K, 6400K; 6) Rendering Index: 80Ra; 7) Base: GU10, E27, B22; 8) Certificate: CE, RoHS, EMC; 9) Warranty time: 1 year; 10) The tube are 100% amalgam tube, by using this special tubes can extend longer life time. 11) water and fire proof PBT plastic, substantial energy saving up to 80% , high light efficiency, even light distribution, excellent color rendering; 12) We have our own R& D department could open the mould as customer's requriement as requirements; Welcome any of your inquiry about our products.We would be always here for you.