[Product Name]: 7.4v/12v Dual Voltage Wireless Inflator Pump [Product Model]: ST-9648 [Product Material]: ABS [Dimensions]: 110 * 85 * 49mm [Battery Capacity]: 【 ST-9648C 】 Three purpose wireless inflation pump+DC+USB 7.4V Black 18650 * 2/1800mAh 5C [Working voltage]: 7.4V Piston diameter: 19mm [Product Power]: 60W Accuracy: ± 1.5psi 【 Airflow 】: 20L/min Continuous working time: 8-10 minutes, [Time]: Powered by lithium battery: 195/65R15, 0~36PSI, about 9 minutes full charge, about 2 can be charged Vehicle line 13.7V power supply: 195/65R15, 0~36PSI, around 9 minutes Type-C charging cable: about 80mm, [Charging time]: Charging time: 3-4 hours Product gross weight: 600 ± 10g (including packaging accessories, etc.) [Color Box Size]: 10 * 8.5 * 13.6cm 【 Accessories List 】: 【 ST-9624C 】 Host * 1, inflation hose * 1, 4-piece inflation nozzle set, Type-C charging cable, DC12V car charging cable 3m * 1, instruction manual * 1, color box * 1 [Operating temperature]:- 20℃~60℃ 【 Packing quantity 】: 24pcs/ctn [Outer box size]: 355 * 315 * 290mm 14.6/15.6kg [Product Features]: 1.1 This product uses a built-in 18650 battery with a rated voltage of 7.4 V. Locking design. 1.2 The product has lighting and flashing light functions. 1.3 5vUSB-C charging interface for convenient charging. 1.4 Product charge display, pressure digital display for easy operation, preset air pressure, and automatic shutdown of the product. 1.5 comes with 5 standard pressure values under its own functions, and anyone who doesn't understand pressure can operate it directly. 1.6 The product can detect tire pressure. 1.7 The product can be equipped with a cigarette lighter, and can be used with an external power source when it is out of power.