S14d 4w led linear lamp 1 base 300 mm warm whitethis led linear lamp impresses with its significantly reduced energy consumption compared to traditional light bulbs as well as with its longer lifetimecharacteristics significant energy savings compared to conventional line bulbs longer lifespan of up to 15 000 hours warm white luminous colour 2 700 k good colour rendering ra80 immediately 100 light no heat up time immediately 100 light no warm up time no flickering mercury free lig