MULTIPLE GARDENING TOOL: This soil tester is a multifunctional tool for gardening, farming, and outdoor plant care. It can detect soil moisture, pH, temperature, and environment, sunlight intensity, and has a sound and light alarm function, so you can know the condition of your plants more comprehensively and accurately. Sound and Light Reminder: This tester has a sound and light reminder function. When the soil moisture is normal, the indicator light is green; when the soil moisture is dry, the indicator light is yellow; when the soil moisture is very dry, the indicator light is red. Backlit LCD Display: The backlit LCD display makes it easy to read different data even in the dark. You can freely switch between pH, moisture, sunlight, and temperature data. Uses 9V alkaline batteries * 1 (not included), when the batteries are low, an alarm will sound, please replace the batteries in time. EASY TO USE: Simply insert the probe into the soil to a depth of about 10 cm, aiming it at the