Moving message machine designed for both portable and static use. The product features 7 x 50 dots resolution, easy use and installation, program your own message from the remote using characters, numbers & symbols, fast and slow scroll modes, built in words and phrase library, last message button replay. 5V PSU included. The unit has a maximum memory of 470 characters, up to 80 characters can be programmed into memory locations but the total sum can not exceed 470 characters.