4 in 1 Soil PH Meter function : With the help from our 4 in 1 soil tester, you can measure soil moisture, pH, temperature, sunlight intensity of plants to help you take better care of flowers and plants. Large LCD Display & Backlight : With a large LCD screen to easily display a variety of readings, and a green backlight allows you to read parameters in dark conditions. Update Model -- Larger and angled upwards backlit display can easily read under strong light. Just insert the probe into the soil and wait 10 seconds for accurate measurements. Long press the [℃/℉] button to turn the meter off. Durability More Accurate & Easy to use and carry : With small size, easy to use and carry. Just simply plug the probe into the soil about 4 inches, wait 10 seconds to read intuitive data. Remove probe from the soil and wipe it clean after using. Wide range of applications : Both indoor and outdoor can be used. The plant measuring instrument designed with light weight can be used for your garden,