glass shell Certification:CE/UL/Rorhs Voltage: AC 110 - 220V Color temperature: ... making energy saving lamps and CFL related products.Description:. glass shell. Power:3W,5W,7W,9W,11W,13W,15W,26W,30W ... operating voltage range,one-short start up for stable radiation without flicker.. Multiple color temperatures available:2700K ,6400k. Using brand-glue ...