Digital Water Quality Tester, Accurate 3-in-1 TDS Meter, EC and Temperature Meter, 0-9999 ppm Test, Ideal for Drinking W

Accurate 3-in-1 Water Quality Tester: Professional TDS meter, EC meter, and Temperature meter. It can help you test water and protect your health!
Multipurpose TDS Tester: Use this mini water quality pen to test water used for drinking water, hydroponics, aquaponics, aquarium, or any other application where water quality is important.
LCD Screen Backlight: The TDS meter device is designed with a low-power backlight so it can be used in low light conditions, and and auto-lock function for easier use.
Wide Measurement Range: Professional quality TDS/ EC/ Temperature Meter. EC: 0-9999us/cm. TDS: 0-9999ppm. Temperature: 0-99