... in/out LCD Advertising player Auto power on/off Auto playback all/ folder repeat/ timer on/off AV in/out, HDMI out 7"-52 ... " AV in/out LCD Advertising player Poly Technology is a professional manufacture of LCD advertising player in Ningbo, China. We ... , bars, cafes, internet bars, beauty shops, golf course. Application Examples: 7"-52" AV in/out LCD Advertising player