Damn! I've been looking for this item for years. I bought it with the expectation that it would be pretty much like any other portable air compressor I've ever tried. I actually expected that I would have to send it back. I have 255/75R17 tires on my jeep and when they are low they take some time to inflate. For example, I put them down to walk on soft sand, so I need something that doesn't take all day to fill them up. The day it showed up, the temp dropped and all my tires were a few pounds lighter (enough for the sensors to trip). I plugged it in, turned it on, and got ready to put my fingers in my ears. Wow! That thing is so quiet. I was really impressed. Good. So. How long to fill up a low tire. We usually talk about minutes. In this case it was closer to 30 seconds! Fast and quiet! I have a compatible one. The gauge on the compressor itself appears to be reading high. I would fill and then check with my gauge and it would be lower than what the compressor gauge showed. I had to "pour" on the compressor pressure gauge. Small issue but be aware. Oh, and yes, I checked with more than one sensor to make sure the one I used first didn't break.
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