Didn't have high expectations given the price, this device can mainly be used to inflate rafts, basketballs, etc. I give 4 stars. Do not buy if it will be used for car tires or trailer tires. It will inflate the tire but at a very slow rate of 2psi for 5-8 minutes and up to about 50psi thereafter it will not inflate. I also noticed that the sensor cannot be trusted, it shows a value of 20PSI that is too high. This means that when it says you are at 70psi, the actual reading is 50psi, which isβ¦