22 inches lcd screen, resolution 1680 x 1050 support : wi-fi /rj45 / (3g is optional) I/o : tf, usb, hdmi 8) audio and video output: support cvbs video output and the left and right sound channel output 9) support real-time control and remote update and upgrade by server 10) automatic startup & shutdown, if there is no signal input, automatically enter the standby mode 11) support rolling subtitles, and can set up the color, size, flow speed and the multinational fonts 12) supported vertical and horizontal mode 7kg/pc, and 3 pcs packed in a carton
