Features: You can preset tire pressure by the LCD digital pressure gauge according to what the tire needs and test the tire pressure at any time. The air pump will automatically stop inflating when the inflation reaches the preset value which can be avoids over inflating. LED light is convenient for you to inflate at dark. High density lithium-ion batteries: 2000mAh large capacity battery for long time use. And you can inflate in a short time. Compact and lightweight, good choice for you to carry when going outside like travelling. Come with 3 kinds of inflate nozzles, meets your different needs. The shell is made of high quality metal. It can dissipate quickly and lower the working noise. Ergonomic design of grip handle makes you more easy and comfortable to carry. Wide application: Suitable for cars, bicycles, balls and so on. Specifications: Color: Black Material: ABS Voltage: 8.4V Current: 10A Power: 100W Battery Capacity: 2000mAh Aeration Time: 9.5mins Diameter of the Cylinder Body: 17mm Package Size: 155 * 65 * 210mm Package Weight: 550g Package List: 1 * Air Compressor 3 * Inflate Nozzle