... Lifespan:50,000h 4. Warranty 2years 3ft 12W High Power G13 LED Tube Light Feature: 1) Self designed and developed ... reliable and high power factor;2) Special heat dissipation design and professional thermal management;3) Good quality with UL, ... parks, meeting rooms, offices, hospitals, schools, factories, commercial lighting, shopping malls, supermarkets, kitchen, corridor, display, backlight, home ...