1. Soil Tester can monitor soil moisture, light level and soil temperature in real time, helping users to understand the plant growing environment and make adjustments accordingly. 2. The wireless soil tester supports multi-device sharing, one device can monitor soil conditions in multiple locations at the same time, providing more comprehensive data analysis and comparison. 3. Through Tuya APP device alarm function, users will receive instant notification when soil humidity, light level or soil temperature reaches the preset threshold, which is convenient to take timely measures to protect plant growth. 4. Soil Tester's compact body is easy to carry and install, suitable for different planting scenarios, including indoor gardens, flower pots, flower beds and so on. 5. The soil sensor is easy to operate, and you can easily connect and control the device through the cell phone Tuya APP without complicated setup and installation process. Suitable for practitioners, home gardening enthusiasts and plant growing beginners and other major applicable groups. Functions:Soil Moisture, Soil Temperature, Ambient Sunlightness Temperature range:-20~85°C(-4° -185°F) Humidity range: 0-100%RH Light intensity: 0-100,000Lux Temperature resolution: 0.1°C Humidity resolution: 1% Power supply: 2*AA battery(Not include) Working frequency: 2.4GHZ Transmission distance: 150m Waterproofing: IP67 Low temperature alarm(Only APP can display the alarm ): ≤-15℃(5℉) Note: The product must be used with the Zigbee gateway!!! (Zigbee gateway not included) Colour:dark green Material:ABS Package Contents: 1 x Soil detector 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.