Accurately displays pressure from 5 to 100PSI LCD display and backlight 4 units PSI, BAR, KG/cm2, Kpa Dolphin shapeAccurately displays pressure from 5 to 100PSILCD display with backlight4 units display: PSI, BAR, KG/cm2, KpaUses 2 long life CR2032 button batteries (included) Digital tire gauge with LCD display and backlight