1、12 Units: The differential pressure gauge has 12 selectable measurement units, which are Pa, Psi, kgfcm2, bar, inH2O, ftH2O, inHg, mmHg, ozin2, mbar, cmH2O, kPa. 2、Multi Function: The meter has maximum, minimum, average data mode, with data storage function, o return and data compensation, low battery alarm, automatic shutdown function, very practical and useful. 3、Large LCD Display: Equipped with a large LCD display with backlit function, can be clearly seen even in dim environment. 4、High Strength ABS Shell: The shell of the meter is made of excellent ABS material, which has high strength and good durability. 5、Easy Storage and Carrying: Equipped with a storage holster, easy to store and carry, convenient to use when going out to work.