This product is simple to use. Just insert the product to the soil and wait a few seconds to see the temperature, moisture and PH of the soil, so that you can improve the soil environment in time and make plants healthier. Features: The large LCD backlight screen can display three values at a time for quick and convenient reading. Celsius and Fahrenheit can be switched. Automatic shutdown without operation for 60 seconds. Protect the soil acid-base balance, and make plants grow nicer. Accurate and quick test, simple operation. Specifications: Main color: blue+black Battery: 3 * CR2032 (not included) Measuring range: temperature: 10°C-90°C (±0.1°C) humidity: 0%-90% (±1%) PH: 3-9 (±0.1) Test rod length: 150mm / 5.9in Item size: 270 * 70 * 40mm / 10.6 * 2.8 * 1.6in Item weight: 83g / 2.9ounce Package size: 270 * 70 * 40mm / 10.6 * 2.8 * 1.6in Package weight: 120g / 4.2ounce Packing List: 1 * Soil Tester