The single-probe design ensures reliable and safe measurements, reducing the risk of damage to plant roots. LESS HURTS: Single probe design is less harmful to roots, don't worry dig up soil after testing. User-Friendly: The Soil Tester is perfect for both indoor and outdoor use, making it an essential tool for gardens, lawns, farms, and potted plants Plus, it requires no batteries, ensuring hassle-free and eco-friendly operation. ACCURATE & RELIABLE: The soil moisture meter can get the results accurately and quickly.<br><br>Elevate Your Plant Care Efforts: Whether you're a seasoned gardener or a novice plant enthusiast, this soil tester empowers you with expert-level insights and precise measurements, setting you on the path to flourishing greenery like never before. size:24.5 x 4 x 7cm Material: plastic+metal colour: black+green+blue<br><br>Package Contents: 1 x Black soil detector 1 x green soil detector 1 x dark green soil detector<br><br>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.