- Accurate tire pressure every time Gauge reads from 5-99 PSI (in 1/2 lb units)
- Easy grip ergonomic design, rugged ABS construction
- Large easy to read LCD display
- Permanent lifetime lithium battery, turns off and on automatically
- 5 year warranty

I have one of these from the late 1990s and it still works great. I like it so much I bought another recently.
It died after only 2 days -- I tried to read a tire with about 8 psi and it showed "-0.0" on the display. After this, all it would do is show the same thing "-0.0".
So I exchanged it for another one. Sure enough, it worked for dozens of readings, until a few days later I again tried to read a tire with about 8 psi in it. Once again, it will only show "-0.0" after that.
My guess is this is a firmware problem with the new units.
Don't buy disposable units. Pay a little bit more and get something that will work for many years.

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