Digital tire pressure detection.Inflating pressure can reach up to 150psi.A new generation of air pump with better performance:Compared with the Mi Home Air Pump 1S, this pump has optimized details and improved internal structure. It inflates 25% faster to create a more convenient and efficient air-filling experience.It speeds up by approximately 25% to help you get out of trouble quickly:With a high-power magnetic motor, it can fill up one empty tire in just 8 minutes*. The inflation is more powerful.Inflation speed increased by approximately 25%.Battery life improvement. It can inflate up to 10 tires when fully charged.Hardware configuration upgraded, energy efficiency improved. It can continuously inflate up to 10 tires* when fully charged, and fill two empty tires* continuously.High-precision cylinder body can reach up to 150psi:The air pump adopts a 19mm high-precision alloy casting cylinder body, and the inflation pressure can reach up to 150psi. It takes only 86 seconds* to fill a high-pressure bicycle tire.Pre-set pressure stops automatically and accurately displays real-time tire pressure:Set the desired air pressure value or select the preset mode, one-button inflation, and inflation will automatically stop when it's complete. 6 preset inflation modes make it easy for beginners to operate:Switch between 6 modes, and the default air pressure range is limited to avoid over-inflation. The free mode can memorize the pressure value, set it once, and bid farewell to complex settings.

Added quick connector conversion head for quick and clean installation:The newly added quick connector conversion head allows for easy and fast installation of the nozzle. With a wide variety of accessories, it can adapt to more inflation scenes.Built-in lithium battery allows for free inflation anytime and anywhere:The built-in 2000mAh high-rate lithium battery provides ample power. Without an external power supply, you can say goodbye to cable constraints.Lightweight, Portable, and Easy to Store:Weighing only about 490g*, the simple and compact design of the inflator makes it easy to carry around while on the go. Whether you need to store it in your backpack, car, or at home, its small and sleek design won't take up much space.Accurate Real-time Tire Pressure Display with Automatic Stop:Set your desired pressure value or select a preset mode, and the inflator will do the rest. Once the inflation is complete, it will automatically stop without any need for supervision, making it effortless and worry-free. Built-in Lighting for Nighttime Operation:The increased brightness of the built-in light makes it convenient to operate the inflator during nighttime.The inflator's hose switch ensures against any accidental activation:Switch on-Take out the hose,Switch off-Put in the hose

Four-grid Battery Display for Accurate Remaining Power Indication:The inflator precisely displays the remaining battery power with a four-grid indicator.

Mi Portable Electric Air Compressor 1S:Fast and precise tire inflation/Powerful Compact Prevents over-inflation/Internal lithium batteries Five inflation modes Type-C port.