4 in 1 functionThis is a 4-in-1 multifunctional soil tester.Our soil tester fastly to measure soil moisture, pH, temperature and sunlight to help you take better care of flowers and plants.You can know when you need to water your soil by measuring moisture and pH & Temperature value of the soil and sunlight level of plants with it. Large Screen Backlight LCD DisplayThe Soil Tester uses a large LCD screen and green backlight to coveniently display and read digital parameter in day or dark.Use AAA1.5V * 4 batteries (not included),it will alert when the battery is low Quick Accurate measurementThe latest probe detection technology in can quickly and accurately measure the pH, moisture and temperature in the soilwith the light intensity of the light sensor analysis on the instrument, it can allow you to know when to water, to control the pH and temperature acidity, and determine whether the plants have enough light to better cultivate the plants more scientifically. Easy to useJust simply plug the probe into the soil about 4 inches10cm) , wait 10 seconds to read intuitive data,and you will get an accurate and precise reading immediately.Just need remove probe from the soil and wipe it clean after using.