Kltech Digital LCD Ph Meter Tester Mini Pocket Auto Pen for Aquarium Pool Water SPA Model
Specifications：-Model: PH-009.- Accuracy: 0.1 pH.-  material: hard plastic.- 100% brand new and high quality PH meter PH value tester- Power supply: 4 * 1.5V LR44 button cells (included).- Calibration is performed manually at one point with a trimmer located on the side of the tester.- Can be used for testing the acidity or alkaline levels of almost any liquid, in a wide variety of    applications.- Portable design, easy to use and convenient to carry. Specifications - Measure range: 0.00~14.00 pH.Package:1x pH Meter1 x Screw Driver2 x Calibration Buffer Solution1 x Instruction Manual