No gateway is required to connect to WiFi directly, and view temperature and humidity changes through the mobile phone APP, which is convenient to manage plants more healthily. Applicable to a variety of fields, can meet the soil testing work of various gardening and planting sites, greenhouse planting, orchard seedlings, gardening planting, etc. 24-hour real-time recording, mobile phone APP to view historical records. Widely applicable to natural/ soil, mixed plant soil, etc., not suitable for hard soil rock, organic coconut fiber, natural soil., Weight: 0.25022466737 pounds, Manufacturer: Kueohse