Xiaomi Qicycle N2 Portable Electric Air Compressor Quick inflation and precise: the portable electric air pump can be used for inflating bicycle tyres, motorcycle tyres, car tyres and balls. Powerful and precisely adjustable pressure up to 150 PSI, and is suitable for all standard valves. Digitally controlled air pressure sensors improve inflation accuracy up to ±1 psi. After connecting with the measured item, the QiCYCLE N2 will show the current air pressure value. 5 preset modes and autostop function: 5 preset tyre pressure modes. Car, motorcycle, bicycle, ball mode and professional mode. The air pump offers 2 different pressure units (PSI, BAR), it will automatically stop as soon as the preset tyre pressure value is reached. The user can read the tyre pressure in real time on the display. Bigger capacity battery and safe BMS board: built-in 2 x 2000 mAh 18650 large capacity Li-ion battery pack, combined with BMS board has dual charging IC function and dual MOSFET protection. The portable electric air pump can work longer and does not need to stop for a break. The fully charged inflator can work continuously for up to 30 minutes and inflate 2 empty tyres (205/55 R16). Digital display and LED light: the air pump has a backlit HD LCD display, the clear display shows the current value, the set value and the battery charge level. LED light for night use, the LED illuminates the valve area, SOS flashing function, should the unexpected happen. Charge the air pump quickly and easily in less than 3 hours via the USB Type-C interface. Technical Specs Product model QJCQBN2 Product size 124×71×45.3mm (bare metal size.excluding air pipe) Inflation pressure range 0.2-10.3bar/3-150psi Working temperature Charging:5°C~45°C Discharging:-10°C-45°C Storage temperature -10°℃ ~ 45℃ Battery capacity 2000mAh(14.8Wh) Working noise Noise less than 80dB at a distance of 1 meter Input parameters 5V=2A Charging interface USB Type-C Charging time Less than 3 hours Sensor Accuracy ±1psi