Digital pH And TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter 2%

Application: Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools
PH Meter: Full measurement range of pH 0 - 14, reliable and quick readings

3-in-1 TDS Meter: Measurement Range 0-9990ppm, 0-9990 s/cm; Accuracy 2%, 0.1- 80.0 C, 32.0-176.0 F; Note: This meter can't test sea water

Features: Comes with protective case; Lightweight, handheld design for portability and convenience

What's in the box
1 x PH meter,
1 x 3-in-1 TDS meter
3 x pH buffer powder