2u cfl bulbs 15w: Lifespan: 8000hrs PCB: 8000hrs, SMT, fireproof board CE, RoHS, IEC60968 /60969,SONCAP Print Watt:15W 2u cfl lamps 15w in Zhongshan City, Guangdong Province!! Model: LJ- 2u Real Watt: 13WPrint on LOGO: 15WOptional Voltage: 220V- 240V (110V is also available)Lifespan: 8000hoursEnergy saving: more than 85%Diameter of tube: 12mmColour temperature: 6400kPCB: 8000hrs, fireproof board, ...