Lutron PH-222 Pen PH Meter

\nPEN PH METER\nModel : PH-222\n* 0 to 14.00 pH.\n* ATC ( auto temperature compensation ).\n* Auto calibration for pH 4, pH 7 or pH 10.\n* Meter with pH electrode, all in one.\n* IP-67, water proof.\n* Easy replacement for the pH electrode.\n* Pen type, easy carry out.\n* Data logger.\n* pH 4, pH 7 standard solutions are included.\n* DC 1.5V battery ( UM-4, AA ) x 4, long life.\n