Soil Sensor 7in 1 for Agriculture pH EC Moisture Tester Android/HarmonyOS USB Smart Soil Meter for Precision Farming Feature 1. [ Soil Sensor for Accurate Monitoring] This soil tester measures soil pH, EC, temperature, moisture, salinity, and (nitrogen, phosphorus, potassium) in one device. Ideal for precision agriculture and greenhouse farming, helping users avoid over-fertilizing or under-irrigating. 2. [Real-Time Soil Data with USB Mobile Connection] Easily connect the USB soil sensor to your smartphone for real-time data through an intuitive mobile app. Helps , farmers, and landscapers understand soil conditions instantly without guesswork. (Only supports Android and HarmonyOS) 3. [Wide Application Range & for Outdoor Use] With IP68 waterproof protection and 316L stainless steel probes, this sensor is built for durability in all weather. Works from -40°C to 80°C, perfect for outdoor fields, greenhouses, and potted plants. 5. [Support Data Export for Smart Farming] All real-time readings can be exported and stored in Excel format on your phone. Designed for smart farming professionals, researchers, and agricultural engineers needing historical soil data analysis. TIP APP is free to use . Only supports Android and HarmonyOS. Does not support IOS system, some low-end phones do not support. Regarding the case where the nitrogen (N) value is displayed as 0: If the nitrogen content is displayed as 0 during measurement, it is recommended to add water to the soil appropriately before measuring, which can help the sensor read the value more accurately. Upgrade Support downloading APP by scanning QR code Support switching to English in APP settings Color: As Shown Material: ABS Package Contents: 1x soil tester Only the above package content, other products are not included. Note: Light ref