Xiaomi water tester

Pen which can test the quality of the water, it also determines whether purification is required. Mi TDS Pen reacts to organic compounds, and heavy metals like nickel, chromium etc. and soluble salt content. The pen is IPX6 waterproof and has automatic temperature calibration and precision in measurement. General Brand: Xiaomi Special function: Measuring Water Quality Purity Product weight: 0.030 kg Package weight: 0.11 kg Product size (L x W x H): 9 x 5 x 4 cm / 3.54 x 1.97 x 1.57 inches Package size (L x W x H): 32 x 12 x 7 cm / 12.58 x 4.72 x 2.75 inches Package Contents: 1 x TDS Pen