TECHNICAL ADVANTAGES , Internal aluminum heat sink enables optimized heat management , Polycarbonate cover with UV protective coating (non-yellowing) , Future-oriented due to individually replaceable power supplies , Individually adjustable light beam angle thanks to patented end cap , Fail-safe, as each individual LED is controlled separately , Suitable for central battery , MORE ADVANTAGES OF LUMENPLUS TUBES , 5-year Dotlux guarantee on drivers and LEDs , Easy replacement of fluorescent tubes with starter , Full, optimal light output immediately after switching on , LM80 validated LEDs