The compressor is powered by a 12V DC socket. It is equipped with a digital pressure gauge with automatic shut-off when the desired pressure is reached and an LED flashlight. The back of the case has a pouch for adapters. The ergonomic shape facilitates storage in the trunk. Use: 1. Start the engine. 2. Plug the compressor power cord into the car's cigarette lighter socket. 3. Connect the compressor hose to the tire valve. 4. Turn on the compressor. 5. Press the “R” button to adjust the unit of measurement on the digital display. 6. Use the “+” and “-” buttons to adjust the desired tire pressure. 7. Press the switch to start inflating. The pump will automatically stop when the set pressure is reached. Important! 1. It is not suitable for large vehicles such as trucks. 2. When using the device, turn on the car engine. 3. Use only DC power supply (DC12V, 10A). 4. Allow the device to cool for 10 minutes. 5. If the pressure suddenly increases to 490 kPa, adjust it and try again. 6. The operation of the device must always be monitored. 8. Make sure the car plug is clean and working properly. 9. Store in a dry place. 10. Keep it out of reach of children. Accessories: 4 adapters. Spare fuse. Technical data: Working voltage: DC12V. Air flow: 35 L/min. Power: 120W. Current flow: ≤10A. Length of pumping hose: 50 cm. Power supply type: car cigarette lighter socket. Power cord length: 300 cm. Operating temperature: -15℃~50℃.