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2016 年 06 月 25 日
Great little geiger counter!
在 5 位用户中，有 5 位用户认为此评价有帮助
Probably the cheapest price you can find! It works great for use when looking at radioactive mineral samples. I use this for personal use with my own mineral collection. Can't wait till I get the chance to test it in the field! Highly recommend if looking for a cheap Geiger counter!