Car Air Compressor Tire Inflator, Air Compressor Tire Inflator, 12V DC Tire Inflator Portable Air Compressor with Led Flash Light for Car Truck Bike Motorcycle 140W 125PSI (Blue)

Operating Instructions: 1.Make sure the power switch is at OFF position and the vehicle engine is running. 2.Remove the dust cap from the tire punp 12v, and then attach the air chuck to the tire valve stem, and screw onto tire’s valve stem. 3.Plug the power cord into a 12V cigarette lighter socket. 4. Press (M) button to choose the display unit. (4 units available: PSI, KPA, BAR, KG/CM). Press (-) or (+) button to set the desired pressure, and then wait until it stops flashing. 5. Turn on the power switch. The compressor will automatically stop inflating once the desired pressure is reached. 6.When the desired pressure is reached, turn OFF the power. Valve connector detaching with desired pressure: When you detach the valve connector, the tire pump would keep releasing air until the connector is fully detached. It's normal and can be accepted by setting up desired psi value on the machine. For example when you set 32 psi, the machine will keep pumping to 32.5 psi before it stops which consider the loss will be happening when you detach the valve connector.