You can read my full inflator review here (scroll down about 1/2 way where the picture of the inflator is)-[...]PRO's1. It fills a 3-person towable to the correct pressure without topping off with a hand pump within just a few minutes.2. Small and compact.3. Has a long power cord.CON'S1. It's louder than most (all are loud).2. You must connect it directly to the 12V battery posts (don't even try adapting it for use with a cigarette lighter, as it pulls up to 25A...at least you'll blow a fuse and at worst you're to likely burn up the wiring in your car, RV, boat, or whatever you plug it into).3. The switch may arc and fuse in the "ON" position, so that the only way to turn it off is to disconnect it. When it's reconnected, there's a big spark.4. Has a weird rectangular fitting from the inflate/deflate port to the adapter. If you lose that, you're dead (you can buy these, though).I would've given it 5 stars but for the fact of the sticking switch. You cannot just "bump" (quick taps) the switch. It needs to be held down, then released when done. I'm keeping mine.
Rating: [4 of 5 Stars!]