1. Real-time monitoring: Yieryi 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. Shared devices: 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. Tuya APP device alarm: Through Tuya APP device alarm function, users 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. Compact body: Yieryi 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. Easy to use: 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, Sunlightness Temperature range:-10-80 Humidity range: 0-100%RH Light intensity: 0-100,000Lux Temperature resolution: 0.1 Temperature Accuracy: 0.5 Humidity resolution: 1% Humidity Accuracy: 1% Power supply: 2xAA battery(Not include) Working frequency: 2.4GHZ Transmission distance: 150m Waterproofing: IP67 NOTE: The soil tester must be used with a gateway, the default package does not include a gateway, Please purchase the Zigbee gateway yourself! Color:Green & Black Material:plastic 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.