Portable for easy, convenient carrying into the field, this pocket-sized meter features a digital display and is equipped with automatic temperature compensation. A hard carrying case, calibration solution, calibration screwdriver, and 9V battery are included. pH range: 0.0–14.0 pH. Size: 6.2" x 1.5" x 1.3". Electrode extends to 3.15". Weight: 4 oz.