4 in 1 FunctionThis is a 4 in 1 multifunctional soil tester. Our soil testers quickly measure soil moisture, pH, temperature and sunlight to help you take better care of your flowers and plants. You can tell when the soil needs to be watered by measuring its moisture and pH and temperature values, as well as the plant's sun level. Large Screen and Backlight LCD DisplayThe soil tester adopts a large LCD display and green backlight, which is convenient to display and read digital parameters in day or dark. Using AAA1.5V battery, low battery will sound an alarm when the battery is low. Easy to UseJust insert the probe into the soil about 4 inches (10cm), wait for 10 seconds to read the intuitive data, you will get accurate and accurate readings immediately. (This soil tester cannot be used to test any liquid directly. When measuring soil, if the soil is too dry, do not insert it into dry hard soil. Please water the soil test area before testing and wait 10 minutes, otherwise it will damage the tester.)