Powerful Cordless Air Compressor: Enjoy the freedom of cordless inflation with our ST189CD Air Pump. Powered by a powerful 20V rechargeable Li-ion battery, it delivers quick and efficient tire inflation. Constructed with a robust metal cylinder and gear, it operates at with a 2x faster inflation speed and +30% more power than regular pumps. With a max pressure of 150psi, it can work continuously for 20 minutes, easily handling four tire inflations at once. | Auto Shut Off and Digital Pressure Control: Set your desired air pressure effortlessly by turning the knob-simpler and quicker than button presses. Our air compressor will automatically shut off upon reaching the target pressure, eliminating concerns of overinflation. 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 precise inflation every time. | Dual Power Assurance: ST189CD tire inflator not only features a 20V rechargeable lithium-ion battery for cordless convenience but also includes a 12V car power adapter, providing a dual power solution for your travels. With the dependable 12V DC adapter as an alternative power source, you don't need to worry about the battery running out during your journey. | Versatile Inflation Capability: With a maximum pressure of 150 PSI, our DORMZIE tire inflator is your reliable and versatile companion for various inflation needs. Whether it's your car, motorcycle, bicycle, sports equipment like balls, or even decorative balloons, this portable handheld air pump is designed to handle it all. Please note that it's not suitable for large truck tires. | Compact and Portable Design: The Tire Air Compressor features a handheld, portable design that can be easily stored in your car. Your purchase includes a cordless tire inflator, a 20V Lithium-ion battery pack, a 12V car power adapter, a battery charger, 6 nozzles, a user manual, and a tool bag for convenient storage.