Simple brief design,φ510mm×91mm, Max 37W,2800lm,2800K～6000K, Samsung 5630 LED chips, Ra85,High performance of brightness & color temperature adjustments by remote control, real eye-protection technology without ripple wave & screen flash, gental light diffusion technology, insect resistant, with the smart functions of sleep mode and night light inside, also excellent energy saving & above 10 years life time.