The pump worked exactly as advertised. I hit the power button, set my desired tire pressure, hit start and watched it quickly inflate the tire, literally increasing the pressure by about 5 pounds in about 30-45 seconds and stopping at the set pressure. I checked the pressure with a secondary pressure gauge and it was pretty accurate. Any noise from the pump was modest at best. Even with the pump off I thought I was losing some pressure but you hardly felt a hint of air loss. I can't wait to pump up a tire again because it was so easy and accurate. I suspect that a full charge of the battery is enough for several tire fillings! I highly recommend this pump. No regret. Great pump!
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