Product Description 4-in-1 Soil pH Meter Functions: With our 4-in-1 soil tester, you can measure soil moisture, pH, temperature, and plant light intensity for better plant care. Large Backlit LCD Display: Equipped with a large LCD display for easy viewing of various readings, the green backlight allows for reading parameters even in dark environments. Upgraded Version – A larger, upward-tilted backlit display ensures easy reading even in bright light. Simply insert the probe into the soil and wait 10 seconds for accurate measurements. Press and hold the [/] button to turn off the instrument. Durable, More Precise, Easy to Use, and Portable: Compact, easy to use, and portable. Simply insert the probe about 10 cm (4 inches) into the soil and wait 10 seconds for intuitive data. After use, remove the probe from the soil and wipe it clean. Wide Applications: Suitable for both indoor and outdoor use. This lightweight plant meter is suitable for your garden, farm, potted plants, succulents, and more. The upgraded 8.07-inch probe is also suitable for large potted plants. Product 4-in-1 Soil Meter, Supporting Healthy Plant Growth 4-in-1 Functions: This multi-functional soil pH meter accurately measures soil pH, humidity, temperature, and light intensity, making it a reliable partner for your flowering plants. Easy to Use: This plant hygrometer features a large LCD screen for easy display of various readings, and a green backlight allows you to read parameters even in the dark. Insert the probe into the soil approximately 3-5 inches; measurement data is available after 3 seconds. Large LCD screen with green backlight displays various measurement data. Soil pH meter efficiently measures soil pH, humidity, temperature, and light intensity. 0.28L soil hygrometer is compact and portable, convenient for daily indoor and outdoor plant care. Highly sensitive and intelligent aluminum alloy soil probe for more accurate soil condition detection. Easy to use. Step 1: Remove the red protective cap at the end of the probe and open the meter. Insert the probe into the soil 2-5 inches (5-12.5 cm). Step 2: Adjust the probe position until the tester is fixed in the soil to be tested. Read the humidity/pH/light intensity/temperature data on the dial, which takes approximately 10 seconds. If needed, switch the switch on the back to pH or other positions. Step 3: After each use, remove the probe from the soil and wipe it clean. The soil moisture meter measures 0.28bl (1.74 x 8.26 x 1.33 inches), making it easy to carry and store. Battery: 4 AAA batteries (not included). The LCD screen easily displays various readings, even in dark environments.