This 8in one soil detector features a variety of components that can be freely combined to meet diverse application needs. Probe: We use High-quality materials for the probe, which is rust-, -, and to salt and , ensuring long-term operation and compatibility with soil types. IP68-rated waterproof and -: The entire device is water- and dust- through a rigorous manufacturing process, allowing it to be inserted directly into or buried in the soil. The IP68 protection rating ensures stable and long-term component monitoring. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect use. Color: As Shown Material: ABS Package Contents: 1 x 8in one Soil Sensor 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.