Wireless inflation wherever you want whenever you want - Built-in 3*2000mAh=6000mAh lithium battery with long lifespan. Fast and Automatic Inflation - Automatic stop when full, so avoid over- inflation as under-inflation. Inflation efficiency: 2 minutes for 1.95 mountain bike tires and 5-6 minutes for car tires. Equipped with 3 kinds of needles and a hose, which can be quickly connected, you so you don't have to worry during the plugging process. Everything plugs in easily and is suitable for a variety of equipment: Car, motorcycle, bicycle, air mattress, canoeing, swimming laps, soccer ball, basketball etc. Large screen LED digital display with backlight, four modes can be changed at will: PSI, BAR, KPA, KG / CM. Careful and Practical Design - Easy to carry, LED on the top of the pump acts as an emergency light. Specifications: Rated Voltage12V/3A Input VoltageCharger 5V/3A Working Current2 -5A No load current1A Battery capacity3*2000mAh=6000MA Emergency light80 light current for 10 hours Working temperature0-45 Charging methodMicro USB Max pressure150PSI/10.3BAR/1030KPA/10.5KG/CM Inflation efficiency: 2 minutes for 1.95 mountain tires, 5-6 minutes for car tires Protection function: 1. When the air pressure value