Material type: ABS
Product size: 21cm*18cm*5cm/8.3inx7inx2in
Voltage : 7.4V(wireless) / 12V(wired)
Power line length: 1m
Power supply type: Li ion battery charging
Air volume : 40L/min
Power: 120W
Type: car tyre Inflator
Function: car tyre, bicycle, RV and other pontoons
Car air compressor: 12V tyre pump
Special features: digital display screen
Color position: black
Battery capacity: 4000mAh(built in 2x2000mah batteries)

Instructions
1.??? Press R for a short time to start the machine and display the current tire pressure.??? Press the "+" / "-" button to preset the tire pressure.
2.??? Display the current tire pressure after connecting the air nozzle.
3.??? Pull the trigger to start inflation.??? When the tire pressure reaches the preset value, it will stop automatically after 3 seconds delay (automatic shutdown without operation for 30 seconds).

The package contains
1 x Wireless Air compressor?Charging digital display?
3 x Inflatable nozzle
1 x Operating Instruction
1 x USB cable?