My only complaint is the unit doesn't work well in colder temperatures. Air temperatures at 20(F) degrees or colder, forget it. Needs to be taken in the house or car to warm up before using. I'd recommend a similar non-battery unit such as the intercomp.
The best and most accurate tire gauge I've ever owned period. The case is a bit cheap but the actual gauge is awesome. I had reservations about the clip connection but it works great and allows you to operate this gauge with 1 hand if necessary. I have 3 different gauges by Accutire and they are all equally accurate. This gauge has the advantage of reading in 0.1 PSI increments which is really precise. I've owned 2 other racing gauges from Blue Point (now owned by Snap On) and the Accutire blows them away hands down. Really impressive product.
I was about to order a replacement for my old accutire "Racing" air pressure gage until i read these reviews.
The gage is not as easy to use as a one piece gage and the hose adds several places for failure to occur, but it seems to be very accurate and repeatable, which is important to me as i drive a porsche on interstates where the speed limit is 80mph and the ambient air temperatures are well over 100F much of the year. I can feel slight differences in pressure so i appreciate the 0.1 psi increments and the porported close tolerance of the readings.
The valve stem retainer clip failed shortly after i purchased ths one i own (several years ago) and now the hose leaks at the gage end. Not worth trying to fix. I have thrown it away and will look for an accurate, easy to use replacement. BUmmer.
Another example of a good product idea poorly executed, and I can say that with some authority as i am a licensed professional engineer (TX, Retired) whose specialty is machine design. HTH.