... .Various emitting colors 3.High brightness 4.Long life 7 segment LED digit display in blue color 4 digit Specifications: Size: 0 ... areas such as elevtor/lift, bank exchange rate display, led clock display, led oil price display for gas station and other different ... High effecieny, Long life-span, , Luminous evenly distributed on each segment, These devices are made with black surface and white segments ...