Pros: Precise and accurate Feels solid and well made. Time will tell Cons: A little awkward to store in the glove box - no big deal, just leave it in the trunk next to the spare wheel. Summary: Nothing is as annoying as having 4 different gauges in the tires (2 dials, 1 knob, 1 digital) and none of them agreed with each other, sometimes more than 6psi, or with the car's TPMS system. It's hard to know who to rely on. I finally decided to ditch those cheap sensors and invest in a quality product. Feels good in the hand, like a real instrument. The gauge is easy to read. The tip twists which is nice as the rubber tubing has a slight kink from being stored that way in the pocket and didn't fully straighten out initially. The air release valve button is good, if a bit useless. You can still miss when the needle drops to about 20psi if you're actively deflating, but I think it's a little easier to press the little button than to take the gauge off the valve stem and press. Valve needle with a fingernail. In terms of accuracy, this sensor matches the car's TPMS exactly (not that it really means anything in terms of true accuracy) and is within 1-2psi of what my local tire shop put on my car (although who knows how true that is). If you read reviews, other reviewers have tested their reviews on calibrated machines and found their results to be accurate, so I hope mine are accurate too.
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