Portable TDS Meter Pen 0-9999ppm LED Display

1 TDS water quality detector adopts circular arc design, which makes it more comfortable to hold. 2 Equipped with high-definition LED display, the values are more readable and sensitive. 3 Anti-rust and anti-corrosion probe makes the measurement value more accurate. 4 The measuring range is 0-9999ppm, high accuracy, small error, stable and reliable. 5 Small size, easy to carry, with numeric lock key, more convenient for measurement.

What's in the box
1 x TDS Meter Pen