Ushio 2-Pin Plug-In CFL lamps are available in 2700K, 4100K, and 6500K color temperatures. Plug-In CFL lamps require a 120W magnetic ballast adaptor with a medium base for use in a standard incandescent lamp socket. Please check your base type against the base type listed in each lamps description text. Product photo's are only for illustration purposes; do not use photo's to determine if our lamp matches your lamp.