LED tube is classic and big demand model, play a very important role in our life.It is popular and favored by people,as data shows,there is over 60% market share compare with other lights. It is SMD chip strip fixed on the aluminum batten and covered by milky white PC,with length of 2ft and 4ft. How and why integrated tube is greatly accept and favored by market? Follow and check how Liper say. Data Sheet