This pack is made up of 10x 60cm 2ft 9W T5 Glass LED Tube with Double-Sided Power. These tubes are perfect for replacing conventional fluorescent tubes in homes, commercial spaces or offices. The 900 lumens that are provided by the LED light source are equivalent to a 20W fluorescent tube. This allows us to enjoy savings of up to 50% on electrical consumption. Its opening angle is 300º, which is perfect for large, open spaces. This 600mm 9W T5 Glass LED Tube with Double-Sided Power is made of glass and has A+ energy efficiency. It works by being plugged directly into the mains, allowing us to remove the residual consumption of ballasts and starters, offer higher durability and less need for maintenance. This 60cm 2ft 9W T5 Glass LED Tube with Double-Sided Power turns On immediately and does not flicker. *Not recommended for installation in closed luminaires. *T8 LED Tube Installation Guide