Pure Water Water Quality Tester BIO Biomineral Tester Practical Mineral Water Test Pen Home

Label:Yes Material: plastic Power:3*LR41 button batteries(include) Fouction: Check if the water contains minerals

Package includes:1pc Meter Pen Size: 124x18x12 mm(4.88x0.71x0.47 in) Item type: bio conducting energy test pen Feature: easy to use, easy to carry, replaceable battery, long-lasting use

Operation Step 1. Remove the cap. 2. Put the pen into the solution under test can identify the difference between pure water and energy water. Light energy is mineral water, no light is pure water. 3. After use, Wiping clean the probe