Features:
1.The TDS meter tester can be used in: water purifiers and filters, food (vegetable, fruits) & drink quality monitoring, pools and spas, aquariums, hydroponics etc.
2.Hold function: Saves measurements for convenient reading and recording.
3.Auto-off function: Turns off meter after 10 minutes of non-use to conserve batteries.
4.Press "TEMP" button can shift temperature meter between fahrenheit degree and centigrade degree.

Specification:
Shell Material: Plastic
Range: 0~9999ppm
Accuracy: +/-2%
Battery: 2 x 1.5V   LR44   Button Cell Batteries (not included)
Size: Approx. 15.5 x 3.1x 2.3cm / 6.1 x 1.1 x 0.6in

Note:
1.Please allow 1-2mm errors due to manual measurement.
2.Due to the difference between different monitors, there are color differences, please take the real product

Package includes:
1*Water Quality Tester