Hivista Portable Interactive Whiteboards added powerful function, it'll be launched on newest version, model is F-35. Although this is not newest function for similar products, but this is the most stable performance. It overcomes the biggest problem of light interference. You can see in the video clearly, what kind light environment we took this video, it's a normal bright room. This function brings F-35 to be more humanized operation, solved the big problem of a lots of calibration points of short-focus.
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