CFL Light 1.Great switch cycle stability DC12V 2.Compact and robus design 3.Preheating,high electronic efficiency 4.CE ... , 15W, 18W/12V DC lightsThe 12V DC energy saving compact fluorescent lamps(CFLs) was designed for solar or DC lighting system, they ... reach 2.Greatest switch cycle stability 3.Best reliability 4.Compact and robust design 5.Easy to install by a E27 ...