The M18 cordless inflator provides fast, accurate and easy inflation that can be carried anywhere. Optimized for passenger cars, light trucks and other medium sized tires. The maximum pressure rating is 150 LBS/sq. inch, with high efficiency motors up to 33 inches. Light truck tires less than 1 minute. The technology has an automatic pressure check function that waits for the pressure to stabilize, checks the system pressure and fills until the desired target is reached. In addition, the auto off function will stop inflation at the selected PSI to prevent overinflation, allowing the user to set and forget about it. The unit also includes four PSI memory slots, anti-vibration pins, and a 36-inch. Brief Introduction Fastest 18V Cordless Tire Inflator: Top off 33" Light Truck Tires in Under 1 Minute Auto Pressure Check Feature Activates to Ensure PSI Target is Achieved, Automatic Shut- off at Selected PSI Prevents Overinflation Tire Capacity: Premium Components and Unmatched Durability to Handle Tires Over 100 PSI, Rated for 150 PSI Max Optimized for Passenger, Light Truck and Other Medium Duty Tires PSI Memory Preset: Save Your Most Used PSI Rating With Up to 4 PSI Slots On-Board Hose & Nozzle Storage: Easily Store 36" Hose and Attachments Anti-Vibration Feet: Minimize Tool Walk While in Use The Box Contains Products M18 Inflator(2848-20) Owner's Manual Volts 18 Power Cordless Length 13.8 in. Width 6.4 in. Height 7.8 in. Weight 7 lbs.