1.9mm,12mm Available 2. B22/E27/E14/E40 3. 6000 ... 5W,7W,9W,11W,13W,15W,18W Half spiral 12mm CFL tube Item No.PictureVoltage(V/HZ) Color ... Lampholder Power(W) Price(USD) Price(EUR)KF-HS-12MM 220V/50/60Hz 2700K/6400K B22/E27/E14/E40 5W ... Photographyarea;4.High-class stores,shopping malls. Half spiral 12mm CFL Energy Saving Bulb 5W,7W,9W,11W,13W ... ,9W,11W,13W,15W,18W Half spiral 12mm CFL Energy Saving Bulb