... USB, HIDM * CE, FCC, Rohs * OEM, customizable LED interactive smart board TV , multi touch screen monitor application:Widely use to office & hotel ... (see the specification), and provide free upgrade.LED interactive smart board TV , multi touch screen monitor Features:* Infrared technology* Water pen, ... , 320G HDD Optional functionWi-Fi 70inch LED interactive smart board tv, multi touch screen monitor ...