a good laser pointer

I received this item and used it to remotely control the slides on my Power Point presentation. It became an a major distraction to me and my audience, as it would not respond to the commands. I had to click it many times before it would pass the page. I thought that the problem was due to the fact my laptop was not in a direct line of sight to where I was standing, which was only about 50 feet away, in an enclosed building and without any other obstacles. On my next attempt, we raised the laptop to where the USB receiver was clearly visible from my point of view, but had the same problem of having to click the pointer numerous times, while extending my arm in an attempt to get closer, in order to get a response from the device. Very sleek and shiny, a good laser pointer, but I'm not willing to pay so much just for a pointer.

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