ENERGIZER HIGH TECH LED TUBE 4FT G13 T8 (1200mm) 18W LED Tube with a frosted finish. Our T8 LED tubes are a direct retrofit* there is no need for lamp control gear as the tubes are wired straight to the mains, these T8 LED tubes have a 30,000 hour lifespan, You can use 100% of the lumen output as there is no wastage, All our LED lighting is CE marked and ROHS compliant, They are available in 4000k cool white or 6500k daylight. The lumen output of these tubes is 1850 lumens. Our LED Tubes are 100% tested before we dispatch!Our LED tubes should use a single ended power supply - both live and neutral should be wired to the end labelled "input" on the tube. These tubes also come with an optional LED starter which can be used as a replacement in a standard fluorescent fitting that has switch start control gear.