Built-in card reader, easily replace the advertisement content; Suppuort CF/ SD cards from 64MB to 32GB. USB port available, can move, copy and delete the content from USB to CF card automatically and easily; Play advertising program circularly and automatically; Support slide show; Multiple file formats supported: MPEG4( div-x xvid , MPEG2 dvd vob MPG2) MPEG1 JPEG, WMA, MP3 Programm able timer( can turn on or off TFT LCD advertising player automatically on schedule everyday) ; Built-in two stereo speakers; Safety locks function, to avoid taking way the CF card& machine