Features: 1) LED display board 2) Power input: 12V, 40W 3) Dimension (L x W x H): 360 x 308 x 35mm 4) Net weight: around 1.8kg 5) RS232 connector 6) Serial port adopt Standard DB9 faucet 7) Communication speed: 9,600bps 8) Display pixel: 16 x 111, 16 x 96mm section is 0063 SMD LED, display one words or one ICO with size of 16 x 15 9) The left 16 x 15mm section is built by 6pcs of display module with size 5 x 8mm, can display 32 English words. This part can be display with any language 10) Scan way: 1/16 scanning 11) Extending function: this board can be extend to serial EEPROM, patulous 8K EEPROM can contain 8 rows words display (Each row compose bye one ICO and 62 English words)