... 1.UL & CUL listed 2.100lm/w 3.lighting distributed evenly ,no dark area 4.cost effictive ... is made by Special different view angles mixing lighting design, T8 specs, inner high efficiency constant ... Option: Frosted, Transparent, StriatedColor Temperature: Warm white: 3, 000K~3, 200K natural white: 4, 000K~4, 500K cool ... need energy saving and high color rendering index lighting, etc. 1.5m UL / cUL Listed ...