Welcome to Royoled Photoelectric Technology website, we are one of the top level China 18w 1.2m t8 led tube manufacturers. Chip Source: Epistar 2835 Input Voltage: AC85-265V Dimension: Ф26×1200mm Beam Angle: 150° Lumen: 1980lm Wattage: 18W. CRI≥75 Lifespan>50000hrs A rotated end cap in 90° position to fit different applications. No RF interference, no flickering, no humming; inner high efficiency 90% constant current driver. http://www.royolight.com