7 inch digital signage, digital sign, advertising display, advertisement display, LCD advertising display, LCD advertisement display, LCD digital signage, LCD digital sign, advertising player, advertisement player, LCD advertising player, LCD advertisement player, advertisement screen, ad player, advertising LCD, and it is easy-to-use on supermarket shelves, tabletop, showcase, bus, etc., to play advertisement, with the main features as fellows: 1.USB Update Function 2.Timer Function/IR(infrared) body sensor 3.Play mp4 movie, mp3 music and digital photo 4.Play from: Compact Flash card (CF card) SB flash drive USB hard disk drive 5.7 TFT LCD screen, with Acryl protection 6.Automatically replay and non-stop playing 7.Very easy to use, no installation needed 8.No mechanical movement of parts, hence shock-protection and suitable for long-hour playing 9.With theft-protection device, effectively prevent the player and CF card from stolen 10.Easy-to-install on supermarket shelves, table-top, showcase, car, taxi and home 11. Audio output: 2 X built-in high quality stereo speakers 12.LCD ratio adjustable:16:9 or 4:3