1) Fit for :8W,14W,21W,28W,35W 2) 110V 50HZ, 220V ... to 45% energy saving over equivalent T8 lamps and more for T10 or T12 lamps;- At least 10% extra lumen ... luster, or matte;- PC Anti-flaming Lampholder;- T5 Tri-phosphor Tube Included, choice of 10,000h or 20,000h;- Surface Mounted ... -120V, 50/60Hz90-260V, 50/60Hz- Ballast Parameters Available:Normal High Standard Ballast, PF≥0.95, THD≤30%, Life = 15, ...