This pack is made up of 10x 115cm 4ft 16W T5 Glass LED Tube with Double-Sided Power. This tube is the ideal for replacing fluorescent tubes that are found in homes and offices. Its light source emits a brightness of 1,600 lumens, which is more than enough to replace traditional 40W fluorescent tubes, effectively reducing light consumption. The opening angle is 300º, which is perfect for providing uniform light. Its working life is estimated at 30,000 hours. This 115cm 4ft 16W T5 Glass LED Tube with Double-Sided Power is connected at both sides and therefore we won't have to re-wire the luminaire. By working directly at 220-240V AC, we can remove both the ballast and the starter from the previous fluorescent tube and optimize consumption. Get this 115cm 4ft 16W T5 Glass LED Tube with Double-Sided Power any enjoy instant light without annoying flickering. *Not recommended for installation in closed fittings. *T8 LED Tube Installation Guide