Usage Tips:Multi-file display, integrated display of humidity, humidity, pH value and illumination, with clear figures and sensitive response, is a multifunctional tool for gardening lovers. No battery, mechanical principle, electrode induction, plug and play, quick and worry-free, saving battery purchase cost. Multi-needle detection and double-needle design can detect and analyze soil temperature, pH and other information more quickly and accurately, making it a reliable tool for any gardener. With its simple design and easy-to-read display, this soil moisture detector is very user-friendly, even for beginners. This soil moisture detector is very suitable for DIY enthusiasts who want to monitor soil moisture and ensure the healthy growth of plants. Name: Soil Tester Probe length: 200mm Colour:As Shown Material:ABS Package Contents: 1 x Soil tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.