This is a Osram LEDVANCE 4ft 1200mm 16.4w LED T8 Tube with a frosted finish. These tubes are a direct retrofit for old 36w T8 or 40w T12 fluorescent tubes in switch start fittings as they come complete with a Free LED Starter. All you need to do is simply remove the old tube and starter and replace with the LED tube and starter supplied. They can also be used in high frequency fittings, by bypassing the control gear and wiring the fitting live and neutral to one end only. The Osram LED Tube offers energy savings of up to 65% compared to the T8 fluorescent lamps and are often used in applications such as corridors, stairways, parking garages, warehouses and in retail. Also the LED tube can be used within domestic applications around your home. This 4ft LED tube comes complete with a 3 year warranty as standard. General Characteristics: Wattage: 16.4wColour: 4000k - Cool White / 6000k – DaylightAvg. Hours: 30000 hoursLumen Output: 1700lmsEnergy Rating: A+Material: Glass housing with protective shatterproof coatingWarranty: 3 years