Mi TDS Water Tester

Press the button and use 

No need for chemical experiment, just dip into the water and press the button 

Specifications:

Detected Temperature:
0-80 Degree

TDS Value:
The lower the number the purer and safe to use

IP Rating:
IPX6

Detected Harmful Materials:
Calcium and Magnesium Ions
Ammonium Acetate
Chromium Zinc and copper

Battery:
2 x 1.5V Button cell

Weight:
20g