Display panels : single monochrome signs Display point Moment : 128 * 16; Color: Red; The pixel spacing : 7.62mm Font: 16*16 and 8*5 ASCII code Font Display mode : left, upward, mid-split Moving speed and stop time : adjustable The length limit of each message : 400 ASCII characters, Storage time of the message when the power cut off : =7 days Communications interfaces : RS-232 Band Rate : 4800bps Data format :8-N-1 Power : 110V