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Title: Low cost and low quality too!
Review: I was prepared that this low cost geiger counter may not be too accurate. I wasn't prepared that this geiger counter did not work at all. Even worse, almost as soon as i plug in batteries, it started to overheat.Since never in my life have I seen this happen, I stupidly openned it and pulled the hot batteries out (one of which already seems leaking) with my hands. Later I noticed that my hand were itching, so I washed my hands a lot which helpedThis is a low quality product, made in Russia. Not worth $150, not worth FREE, because it's so dangerous. So buyers be ware.
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