UL Certificated T8 9W 2 foot LED T8 tube replacement for traditional 20 Watt fluorescent tube with comparable light output.No Buzzing,No Mercury/Poisons,No glare or shadowing. Consumes 9 Watts of power using 72PCS high power Samsung 2835 SMD LEDs( 22-24lm/pcs). This tube contains no mercury and is in accordance with UL,CE and FCC testing standards . Available in Pure White and Warm white with 150° beam angle. Includes LED compatible starter.(use the 100~277 VAC).