Product details Features: 1.The big blue backlight digital screen is convenient for user to set the preset pressure. The car tire pumper will automatically stop working when the tire pressure reaches the preset pressure. 2.Open the car tire pumper and connect pumper with the nozzle, the screen will show you the tire pressure at right, letting you testing the tire pressure at real time conveniently. 3.The led light design makes it convenient to inflate the tire in dark situation, perfect for night usage. 4.design brings you quick charging experience with only 3-4hs charging time. The metal inner tube can has excellent mute and good dissipation function, providing stable and quick inflating service. 5.The 2000mah built-in battery can support for long working time, not charging cable limitation, practical and convenient. 6.The car tire pumper designed with humanized handle is wide suitable for cars, bicycles, motorcycles, SUVs, ATVs and trucks, including sports equipment. Wireless product power: 120W Voltage: 7.4V Current: 15A Product function: inflation/pressure measurement/lighting/automatic charging and stopping Gas flow: 40L/min Battery capacity: 2*2000mah battery Charging time: 3-4h Battery life: 20-30 minutes Product size: 21*18*5cm Color box size: 195*220*70mm 0.67kg All accessories: 3 air nozzles, manual, USB charging cable Weight: 700g Colour: Black Material: metal + ABS plastic Quantity: 1pcs