LED Tube Lights are available in 600mm, 1,200mm, 1,500mm to replace the old 18W, 36W, 58W fluorescent lights. Color ranges available in Warm White, Cool White and Daylight. It cuts your energy by half. In some cases, the angle of light can be adjusted. Due to the improvement of lumen per Watt, the energy efficiency is improved drastically. A 12W LED Tube Light can bring similar lumen as a 36W old fluorescent light tube.