... :100-130V/ 220V-240V, 50/60Hz, (Different voltage for different market)Energysavinglampwattage:3W,5W,7W,9W,11W,13W,15w ... ) (Different color temperature for different market)Energy saving lamp cap:E14 E27,B22,E26 ---- Different Lamp cap for different market Life time:More ... energy saving lamp ballast:·(EMC),strong anti-jamming ,suitable for a group of assembled used.·High technic,high quality fittings ...