PH Meter, TDS PPM Meter, Soil PH Tester, PH/EC Digital Kit, 3 Pack Andrew Efficient-Safe Charging: This charger provides

Efficient-Safe Charging: This charger provides induction charging

【MEDIUM TACK】 Not too sticky that you can't transfer your designs

And every reusable straw is with 1 stainless steel cleaning brush which is long enough to wash the whole straw

18inche/3cm in diameter

Sizes: 4 x 6

PH Meter, TDS PPM Meter, Soil PH Tester, PH/EC Digital Kit, 3 Pack Andrew Efficient-Safe Charging: This charger providesSuper value 1 PH Meter(yellow) +1 TDS & EC Meter (blue)+1soil tester kit (green). Total is 3 PCS. Functions The digital pH pen is equipped with auto temperature compensation function. TDS meter has lock & auto shut off function(Kindly remind : This meter can't test sea water.). Pushing the button, it can display the data about water purity level on the screen in PPM (parts per million). The soil meter can test soil pH to help you control the PH level