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Title: Very Disappointing
Review: This gauge has some nice features that caused me to buy it. But it has design and quality control issues that make it unacceptable.First, contrary to the user guide, it does NOT use a lithium battery. It uses 3 rather ordinary A76 (or equivalent) button cells. The cells last no more than three months and then need to be replaced at a $5-$6 cost. I suspect the short life is due to failure of the automatic on-off feature; I've discovered the gauge turned "on" for no reason.Second, readings are not consistent. This may be due to improper fastening on the tire stem (which is a design flaw) or to electronic circuitry problems.Amazon replaced my first gauge. The replacement gauge is worse. I'm discarding it.I recommend avoiding this product.
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