The ESCO Pro Series Aluminum Automatic Wall Mounted Tire Inflator (Model 10965K) with 4-way inflation system is a wall mountable tire inflator cased in a heavy-duty aluminum die-cast housing. The included 4-way inflation system offers the option to inflate 4 tires at once. Simply set the required tire pressure, connect the chuck on the tire valve and the built-in auto start inflates or deflates the tire to the specified pressure. Professional grade design is IP56 rated for both indoor and outdoor use in any garage, industrial or shop environment. With an accuracy rating of +/- 0.3 psi and a 1-year warranty, this professional inflation unit is perfect for any application.