Easy to install and very secure. People at work commented they couldn't see anything at all. And this one was the cheapest one I could find online too. Very good product.
I am very pleased with this product. I have had fewer headaches and there is no longer glare coming from the computer screen. I would highly recommend this product to anyone.
This would be 5 stars, but the screen leaves about a 2 inch gap at the bottom. So, it is wide enough, but not long enough. I have things magnified b/c my eyes are bad, so shrinking things so they fit the screen will not work. Beware - not long enough for 23".
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