This 4-in-1 soil tester accurately and quickly senses soil pH, moisture, temperature, and light intensity. By measuring these parameters, it provides intuitive data on your plants' growing environment, enabling scientific care to help them thrive healthily. Featuring a large green backlit LCD display, it outperforms traditional dial-type testers by reducing reading errors through intuitive data visualization. The screen ensures clear readings day or night. Requiring 3 AAA 1.5-Volt batteries (not included), it alerts users when battery levels are low. Equipped with the latest 2024 soil sensor detection technology, the probe precisely and rapidly measures soil pH, moisture, and temperature. A built-in light sensor helps users gauge ambient light intensity, allowing better understanding of soil conditions and enhancing the planting and harvesting experience. Operation is straightforward: insert the probe 3-5 in. into the soil and wait 10-15 seconds for accurate readings. Note: Do not force the probe into dry, hard soil. For optimal results, water the testing area and wait 10-15 minutes before use to prevent damage.