As mentioned in other reviews the gauge readings are slightly different and tend to be high but I have a digital gauge that I use to get accurate readings so this is a very minor issue. (Also, I highly recommend having an accurate pressure gauge, not hooked up to a portable compressor, to measure tire pressure.) I've used it in all weather, cold and hot, sunny and rainy, and it works great. Little extras like a flashing warning light and flashlight are nice bonuses and I love its triangular shape (because it's not just your typical rectangle/cube) but most importantly it reliably inflates my tires. The hose has never leaked and has never let me down. The rotary valve is a bit fiddly, but in my experience it provides a solid connection with no leaks and is well worth the extra seconds.
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