Matrix display 6 digit made up of 64 red LED each and based on the Holtek controller HT1632C. It can be controlled via the driver card (7719-DOTMATRIXLED), display letters, digits or symbols. It has 16 levels of brightness control, two terminals with 5V output voltage. Up to 4 cards can be connected in series. Power supply: 5 V, dimensions (mm): 99 (length) x 96.54 (width) x 24.20 (height). The package includes the matrix display and 16 pin IDC cable.