Compact Fluorescent Plug In 4 Pin Quad. All color temperatures are available - 2700K, 3000K, 3500K, 4100K, 5000K, and 6500K (13 watt to 26 watt). Base types: G24q-1, G24q-2, G24q-3. DIMMABLE. Must use electronic ballasts. We also have electronic ballasts, recessed lighting, including dimmable fixtures. see http://www.dmflighting.com. Call or email for pricing of fixtures. We will meet or beat any price!!!