buy office whiteboard. The classrooms all use interactive whiteboard equipment. According to the survey results of the spring of 2004 , 90 % of primary school principals agree that interactive whiteboard technology has great potential for improving classroom teaching and learning. Since 2003 , the British government has provided direct budgetary support for equipment and interactive whiteboards in primary and secondary schools. British universities and educational scientific research institutions have cooperated with primary and secondary schools to conduct a large number of experimental research on the application of interactive whiteboards, and published numerous research results, reports and papers. The successful experience of applying interactive whiteboards in primary and secondary schools in the UK has provided useful lessons for countries and reduced investment risks. In addition to the United Kingdom and North America, Asia, Europe and South America have also joined the ranks.. 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.