1. Function: Through real-time monitoring of nitrogen status, users can keep abreast of the soil fertility status, formulate scientific fertiliser application plans, improve fertiliser utilisation and reduce agricultural costs. 2. Waterproof Design: waterproof design using materials and design can improve the durability and service life of the product, reduce the frequency of maintenance and replacement, reduce the cost of use. 3. Plug and Play: While maintaining its advantages of plug and play, convenience and speed, it also offers higher data transfer speeds and greater equipment compatibility pin the dual probe insertion design. This not only ensures accurate measurements, but also consistency and reliability, enabling the soil meter to provide accurate data in a variety of environments. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Type:Nitrogen Colour:As Shown Material:ABS Package Contents: 1 * 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.