Negative Positive
Title: Unsuitable for any purpose.
Review: The only good thing that can be said about this product is that it easy to install and uninstall. The sensitivity is very inconsistent and tends to either get stuck on clicking on the screen all the time or you need to pound the pen into the board in order to get it to click. It is virtually impossible to draw straight lines, it looks like someone with a severe neurological disorder created the pointer movements on the screen. Conclusion: avoid.
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