Lutron PH-220S Soil Pen PH Meter, Separate Probe

\nSOIL PH METER\nModel : PH-220S\n* Complete set with separate soil, spear tip pH electrode and pH 4 and pH 7 standard solutions.\n* Meter : 0 to 14 pH x 0.01 pH. Electrode : 1 to 13 pH.\n* Auto calibration for pH 4, pH 7 or pH 10.\n* Temp. adjustment is not necessary.\n* IP-65 water proof.\n* Built-in reverse display button.\n* DC 1.5V battery ( UM-4, AA ) x 4, long life.\n* Spear tip pH electrode, ideal for penetration pH measurements into soil, meats, cheese\n and other type of measurements requiring sample penetration.\n