The ZIGBEE soil temperature and humidity meter is used to monitor and record the temperature and humidity of the soil in your home garden, creating a more beautiful and smarter garden system for you. The temperature is in Celsius and Fahrenheit and you can set the units of temperature in the app. Humidity is calculated as a percentage of soil moisture. Date - When the device is successfully paired with the phone, the device time is synchronized with the phone time. Soil moisture values - The moisture value percentages for this product are not percentages of soil moisture content. It is only a measurement of soil moisture by this product. humidity Range:0-100% humidity accuracy:0-50%(±3%),50%-100%(±5%) Temperature range:-20℃-60℃ Temperature accuracy:±1℃ Application Scenarios:Gardens, Potted Plants, Farms, Orchards Waterproof rating:IP67 Applications and transport protocols - The product uses the open protocol of ZIGBEE 3.0. The chip manufacturer defaults it to the tuya smart app or Smart life app. other programs are used to control this device and no technical support is provided by the supplier. About Smart Device Linkage - When the device is linked to other smart devices, it will command the linked device to work when the value changes and crosses the threshold of the programmed value.When the value changes but does not cross the threshold of the programmed value, the device will not command the linked device to work. How to connect it to your APP: 1. Search and download Smart Life or Tuya Smart from Google Play or the App Store. 2. Add your ZIGBEE gateway to the APP. 3. Press and hold the button on the device for 5 seconds,the device enters matching mode when the blue LED flashes. 4. Click in the APP to enter the gateway page and use the "Auto Search" in the gateway page. 5. W