Feature: 1. Cordless Convenience: Our powerful air compressor inflates tires twice as fast as regular pumps with 30% more power. Maximum 150psi pressure and 20 minute continuous operation for four tire inflations. 2. Auto Shut Off and Digital Pressure Control: Easily set the desired air pressure by turning the knob, simpler and quicker than pressing buttons. Our air compressor automatically shuts off once the target pressure is reached, eliminating worries of over inflation. The clear digital pressure gauge supports 4 unit switches (BAR, KPA, PSI, KG/CM2), ensuring easy and accurate monitoring with an accuracy of +/‑1 PSI for accurate inflations every time. 3. Dual Power Safety: With a built in 7500mAh 21V rechargeable lithium ion battery for cordless convenience, the tire inflator also includes a power adapter for a dual power solution during your travels. With a reliable 12V DC adapter as an alternative power source, you never have to worry about running out of battery on the go. 4. Versatile Inflation Capability: Our tire inflator is a reliable and versatile companion for all your inflation needs. Whether it's your car, motorcycle, bike, sports equipment, or decorative balloons, this portable handheld air pump can handle it all. Please note that it is not suitable for large truck tires. 5. Compact Portable Design: The tire air compressor features a handheld portable design for easy storage in your vehicle. Includes a cordless tire inflator, a 21V lithium ion battery, a power adapter, 4 nozzles, a user manual. Specification: Item Type: Car Tire Pump Material: ABS, Zinc Alloy Battery: 1 x 21V 7500mAh Rechargeable Lithium Battery (with matching battery included) Units: Bar, Psi, Kpa, Kg/cm² . Package List: 1 x Air Pump 1 x Battery 1 x Power Adapter 4 x Nozzle 1 x Manual