I have two of these for both cars as a last resort. You can easily determine the quality by the weight of this item. This one has a good solid weight and quality components. The flashlight is brighter than I expected. Overall 5 stars!
Pros
KOTO automotive compressors have been the benchmark for reliability for many years. The design is carefully thought out and worked out: the massive rotor of the motor has a copper winding, which works much longer and more efficiently than the aluminum winding of cheaper analogues. The tank cooler is made of metal, not plastic. This allows for much more effective cooling of the working cylinder, increasing compressor life and efficiency. Dustproof design.