panasonic whiteboard. ( 2005 ), the main purchase group of electronic whiteboards are three-star hotels, major research institutes, large enterprises, public security bureaus and military units. After three years or so (to 2008 ), the market will enter the medium term. In addition to the initial purchase of units, the main purchase groups of electronic whiteboards will also increase the institutions of higher learning, key primary and secondary schools in various provinces and cities. Take China's cities as an example, the number of hotels above three stars in China is 1000 .. The IQAio GR519 is an upgraded lightweight version based on the original IQAio GR511. The original dual-cavity structure was changed to a bottom-edge structure, so that the minimalist design accommodates modern classrooms and conference rooms. With one IQProjector V2 and one IQView E3821, you can achieve flexible and intelligent classroom.