Cheap water elbow, Buy Quality water bow directly from China pen shock Suppliers: Digital Pen Tester pH EC TDS Salinity Temperature Water Quality 6-in-1 Meter
Check Out for More Items Here! FEATURES: 6 parameter One button calibration Floats on water IP57 waterproof LCD display(2.5 x 2 cm) Automatic Temperature Compensation Data hold, Maximum/Minimum °C/°F temperature unit Auto power off Battery Low indication Auto identification of parameter during electrode replacement Complete set includes: 1 x 6-in-1 Combo Pen Meter 4 x 1.5V AAA Batteries installed 1 x pH electrode 1 x Conductivity Electrode 1 x Soaking solution 2 x Bottles of pH Calibration Solution (pH4.0 & pH7.0) 1 x Bottle of Conductivity Calibration Solution (1413uS/cm) 2 x extra screw 1 x Allen wrench 1 x Wrist Strap English User Manual Hard Carrying Case Optional Item(s): ( not included in the set ) you may contact us at ideaconcourse(at)gmail.com if you want an optional items to be included in