Portable air pump with dual LED display for easy operation and accurate pressure measurement. Preset the air pressure, and it stops automatically when it reaches the set value to prevents over-inflation. Equipped with multiple air nozzles, it can inflate car tires, bicycle tires, motorcycle tires, balls, inflatable toys, etc. Features: Accurate Detection: Handheld wireless air pump, small and lightweight, easy to carry, with dual LED digital display, accurate pressure measurement, timely and intuitive understanding of tire pressure status, to ensure travel safety. Multiple Inflation Modes: Support 5 inflation modes, one-key switching of multiple pressure units (PSI, BAR, KPA, kg/m2), which can inflate car/motorcycle/bicycle tires and balls. Automatic Stop Function: Pull out the air tube to turn on the machine, support preset inflation pressure value, automatically stop inflation after being full, no need to keep watching, and will not blow the tire due to over-inflation. Long Endurance: Built-in 4000mAh large-capacity battery, low power consumption, long standby time, very suitable for outdoor or on-the-go use. With LED light, it can be used as an emergency light in the dark. Reliable Quality: Using all-metal cylinder, permanent mag net motor, acoustic noise reduction, quiet work. High temperature resistant rubber inflation tube, antifreeze and not easy to break, long service time. Specifications: Color: Black Material: ABS Inflation Pressure Range: 0-150PSI Input Voltage: 5V/2A Battery: Built-in 7.4V, 4000mAh Lithium Battery Working Temperature: 0-60 Item Size: 160 * 63 * 63mm/ 6.3 * 2.5 * 2.5in Item Weight: 428g/ 15.1oz Package Size: 203 * 117 * 75mm/ 8.0 * 4.6 * 3.0in Package Weight: 580g/ 20.5oz Packing List: 1 * Air Pump 1 * USB Cable 1 * Air Tube 3 * Nozzle 1 * Storage Bag 1 * Manual