This tire compressor is pretty reliable right out of the box. I usually have one in every car for emergencies or to inflate exercise equipment. The size of the device is exceptional, much smaller than the ones I've used. Its footprint takes up very little space after use and feels much more durable. To turn it on you have two options: cigarette lighter or battery connection. Having these options is very handy depending on the situation. The bottom side is the connector cable length. It's not that long, but they make up for it by adding an extra air hose extension to increase the range, which is great. It has a pressure setting that determines how much psi you want to put in your tire that automatically shuts off when the desired psi is reached. The decibel levels on this unit are a lot quieter than most I use by at least 12 decibels. There is virtually no vibration, it is very stable, and does not rattle or wobble in use. It has an integrated LED light for night use with two power settings. For the price it is quite cheap and of excellent quality. It's not all covered in a cheap plastic case to look fancy or sleek. From my experience, it feels solid and reliable. I never give this a good review unless I've taken the time to test this thing, but I was very impressed with how well it performs. It took less than 5 minutes to inflate the tire from zero to full while the tire was flat on the ground on the vehicle. If you are looking for something affordable, quiet, fast and reliable I would consider going for this one!