Features: TDS range: 0-9999ppm, EC range: 0-9999uS/for cm, PH range: 0.00-14.00pH, Temperature range: 0-60°C（32-140°F) . 4-in-1 PH tester, you can accurately measure PH, TDS, EC and Temp value; Know water quality clearly to ensure your family members' for health. With high sensitive probe, you can quickly read the results; Wide measurement range and high resolution guarantee- that you can measure different kinds of liquids. 4-in-1 pH meter solve the inaccurate measuring problem caused by the change of liquid temperature; Easy to get a reliable, stable reading. for Ideal for household and laboratory testing applications; Buy one for drinking water, beer, kombucha testing; Good for aquariums and hydroponics using, tool. Specifications: Material: ABS Size: approx 18.35x4x2cm/7x1.6x0.8in TDS range: 0-9999ppm Accuracy 1ppm EC range: 0-9999uS/for cm Accuracy 1uS/for cm PH range: 0.00-14.00pH Accuracy 0.01pH Temperature range: 0-60°C（32-140°F) Accuracy 0.1 Power supply: button battery(included) Package Includes: 1x Water Quality Tester note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.