interactive whiteboards school. So many benefits of laser projector as I mentioned, but it still not popular in the market,why??In other words, What??s its disadvantage?That??s relatively expensive compared with traditional lamp projector, So how much will it cost for laser projector?The price will vary due to different chip and the laser source, different configuration required depends on your needs.Another solution for this disadvantage is IQ projector with 0.65DMD, pure laser projector are in end-year promotion, you can get this product with best prices ever,if you??re interested, don??t lose this opportunity.. 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.