Bought if the tires need air. The cable was long enough to reach all 4 tires in a 2018 Telsa Model 3 and all 4 tires plus spare (just about) in a 2010 Toyota Rav 4. go through them. The quality of the device is decent, feels plasticky because it is but feels like you're getting your $30. entered psi and then automatically shut off. The manual warns against using the device for more than 8 minutes between cooldowns. I had no problem fitting 9 tires including the spare, which was 12 pounds short of normal, but be careful not to overload the unit. Inside is a spare fuse (glass tube) along with the nozzles inside which I believe are for the pump in case the fuse blows. The block itself didn't get very hot, but the hose did seem to get hot. The cords are coiled up nicely and store away in the unit which comes with a storage bag along with some basketball attachments and such which was a pleasant surprise. The light itself doesn't have a switch so it's always on, but I think it's useful if you're filling the tire at night and need extra lighting. Customer service was top notch, very quick to respond to email and fbook, and they actually sent me the two small side window blinds they advertised in the box. Great company to do business with!