Specifications: Color: Black Material: ABS Input Voltage: 5V/2A Output Power: 70W Inflation Range: Max. 150PSI Unit: PSI, BAR, KPA, KG/CM2 Battery: Built-in 4000mAh Lithium Battery Item Size: 137 * 89 * 47mm/ 5.4 * 3.5 * 1.9in Item Weight: 420g/ 14.8oz Package Size: 150 * 95 * 72mm/ 5.9 * 3.7 * 2.8in Package Weight: 520g/ 18.3oz Features: 1. Portable wireless air pump with LED digital display for accurate pressure measurement. 2. Supports four inflation modes and multiple pressure units for various uses. 3. Preset inflation pressure value with auto-stop feature to prevent over-inflation. 4. Built-in 4000mAh battery with LED light for emergency use. 5. Small, lightweight, and portable design for easy operation and storage. Packing List: 1 x Host 1 x Air Tube 1 x USB Cable 3 x Nozzle 1 x Manual