Inner aluminum design, more beautifful, more safe. LED T5 fluorescent tube (Top quality design)Length: 300mm, 600mm, 900mm, 1200mm, Led quantity: ... , 2700-2900K, 3000-3200K), nature white: (4000-4500K, 5000-5500K), cold white: 6000-6500, 6500-7000K.Work voltage: DC12-36V (without ... .Warranty for Three years.CE, RoHs, FCC led T5 fluorescent tube