Features: Button Description: Power button: press power button continuously for 3 seconds to Turn On or Turn Off; UNIT button: shortly press Unit button to change the unit; Long press "unit" button for 5 seconds, the display after the last reset record maximum MAX; Short press "unit" button, switch according to the minimum MIN. Again short press "unit",then quit the records show. ZERO button: pressure Zero button continuously for 3 seconds for zero clearing; LIGHT button: press Light button shortly to turn on or turn off the light,will be closed automatically after 70 seconds.
Package Content: 1 x Digital Pressure Gauge; 1 x Manual.