The TWC14 LED Flat Panel is a revolutionary product that offers Selectable color temperature and wattage, done directly on the fixture. Kelvin adjustable between 3500K, 4000K & 5000K. Selectable wattage (20W / 25W / 30W / 35W / 40W). Non-flicker, no glare, no hot spots. Efficiency up to 105Lm/W. LGP 3mm thick lens, up to 95% efficiency. White anodized aluminum frame for best appearance and heat dissipation. 5 Year Warranty.