EEFL Lamp for big lightbox and LCD monitor Diameter 2.0mm -8.0mm; Length 50mm -2000mm; Colors of white, red, green, blue, yellow, purple, black; Shape of linear, L, U, M, Circle)are the best backlight source to your needs in different fields such as LCD display, scanner, machine, computer case light, automotive, advertising sign, light box, outdoor/indoor decoration so on.Custom designed cathode lamps and inverters are welcome.