Tire Pressure and Tread Guage Digital

Operation:
To switch on,pull the slide downwards and then release.The unit beeps
and displays 888. Wait for screen to show 0.0 PSI. 0.00 BAR
Check screen display is PSI, BAR, pull slide down for one second
and release to change PSI,BAR unit.
Put air nozzle onto tire valve, wait one second until the pressure
reading locks on the display. You can check as many tires as required
the unit will change the value each time
To check TREAD DEPTH,push slide upwards until probe is extended.
Put the proble into the tread and then push the unit downwards until it
resets on the tire.
Lift carefully away from the tire and read the depth in millimetres and
tenths of mm.
At 1.6 mm and below the display will flash to warm of illegal tire in UK
The unit will auto off after 90 seconds, or hold slide down until the unit
switches off.