Product power: 120W Input voltage: DC12V Power cord length: 5 meters Product features: inflatable, lighting Inflatable time: 5-6 minutes Product Weight: 1.64kg / set How to use: Car tire to work continuously for 8 minutes Please rest for 10 minutes Product size: 20 * 8* 16cm How to use: Start the car first, then insert the car into the cigarette lighter to pick up the electricity. Preset tire pressure values (SUV and tire pressure values are different). Then switch on the charging pump. Finally, the pneumatic nozzle is inserted into the tire valve. If the car is completely empty, you can insert the pneumatic nozzle into the tire valve, and then turn on the switch button to inflate it. The following incorrect operation will cause the fuse to burn out and the pump will not work properly: The first inflatable nozzle into the tire valve, preset tire pressure value, open the air switch button, and then start the car, the electric car charger to insert the cigarette lighter, leads to fuse burn out, the air pump can not work normally. Item specifics Brand Name:DONYUMMYJO Item Type:Pumps Item Diameter:0cm Item Width:17cm Item Length:22.5cm Material Type:ABS Model Name:CQ-004 Plug Type:US Voltage:DC 12 Brand No Brand SKU 100918699_NP-1021466255