Features: 1) Fully programmable: No cords, no wires, no software needed 2) LED: 7 x 21 dots; 3) Memory: Up to 10 messages, up to 255 characters on each message; 4) Messages automatically stored when switched off; 5) Slim design; 6) Dual magnetic closure backing; 7) Programmed characters are as displayed; 8) 7 scrolling message speeds; 9) Power on/start and off/stop; 10) Power supply: CR2032 button battery; 11) Input method: RS232, key-press by hand.