Mi Portable Electric Air Compressor Manuel D'utilisation page 21

4. Detecting Air Pressure
The current pressure will automatically be displayed after the air hose is
connected to an item while the air compressor is turned on.
5. Determining the Right Air Pressure
To ensure safety and to prevent injuries from bursting items due to
over-inflation, always refer to the instructions or relevant directions
accompanying the item to be inflated before inflating it, in order to
determine the correct air pressure.
Tires
Balls
The recommended air pressure of tires
for cars, bicycles, and motorcycles is
indicated on the tire's sidewall.
The recommended tire pressure for
cars is also indicated on the driver's
side door jamb.
For details concerning load carrying
c a p a c i t y a n d r e c o m m e n d e d a i r
pressures, refer to your vehicle's
instructions or manual.
The recommended air pressure for
footballs, basketballs, volleyballs, and
other balls is indicated near the ball's
air valve.
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