... light: 1,Energy-saving ,high quality 2.CE&ROHS&UL 3.3years warranty 4.Factory direct price,good service LED TUNNEL LIGHTFeatures:1 ... low the temperature of the chip,12-16°C/W lower than traditional chip.Greatly extend the lifespan of LED. 2 ... the chip,fluorescence much more uniform,which make the brightness and color temperature more uniform.Attenuation is small ,improved luminous efficiency ...