youtube interactive whiteboards. Firstly, vivid color and ample brightness.?Laser projector can achieve far greater color space than the traditional light, its color performance is more than 2 times the traditional projector, high color saturation, can truly restore color.Due to the low attenuation of the laser light source,?Laser projector makes its output quality maintain high brightness, color saturation and contrast in the long-term, the picture color has always been staying the same.. 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.