Water pH tester: Our soil pH test kit value set has 1 pH meter (yellow) + 1 TDS and EC meter (white) + 1 soil tester kit (green). Thats 3 pieces in total.Functions: (yellow) digital pH meter equipped with temperature detector and pH test function, (white) TDS meter to test the purity of water, which is displayed on the screen as PPM, (green) soil tester to test the pH, light and moisture of the soil to help you understand the living environment of your plants and make it easier to growFast and accurate: These soil testing kit can test pH values to 0.01 quickly and accurately, taking just 1 second to show a fast and accurate reading on the screen.Easy to use: pH testers and TDS meters have sensitive electrode sensors, press ON and it only takes 1 second for the data The results appear on the screen. ph soil tester digital simply insert the probe into the soil for about 4-6 inches and wait about 10 seconds for an intuitive reading.Range of use: These professional soil test kit meters are designed to be small and portable and are ideal for TDS and pH testing at home and in the laboratory, including aquariums, swimming pools, etc. Soil testers are suitable for plants, gardens, lawns and farms (Note: wash and dry the soil water meter probe with water each time you use the soil hygrometer as any water or material left on the probe will affect the the accuracy of the next test)Material: plasticcolour: As shownPackage Contents:1 x pH meter 1 x TDS tester 1 x Soil testerOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.