Specifications Hign-concerned Chemical:None Model Number:SGS01 Display Type:Digital DIY Supplies:Plumbing Brand Name:INSOMA Origin:Mainland China Certification:CE,FCC,RoHS Power:2*AAA batteries (not include) About how to connect Zigbee gateway. tips: 1. Tuya version can only connect by Wifi, Zigbee version can only connect by Zigbee gateway(not include) 2. Zigbee gateway can't be recognized automatic, it needs add by hand. Tuya Zigbee Smart Soil Tester Bluetooth Humidity Temperature Moisture Sensor Mobile phone APP Real Time Monitor for Plant Garden Smart Tester: If you have Insome soil tester and water timer at same time, you could set a smart irrigation systerm. When the tester and timer controlled by same gateway, set a programmer to let timer on or off according to the data from soil meter automatic. Reliable Performance: The temperature and humidity statistics function, low battery reminder, and reading on mobile phone apps allow users to constantly understand the specific situation of the soil, solving the problem of inconvenient traditional temperature and humidity readings. Intelligent Monitoring: The intelligent monitoring is achieved through Bluetooth gateway and intelligent linkage, achieving intelligent monitoring of soil temperature and humidity, viewing dynamic changes, and automatic watering. Switching Between C and F: Choose your preferred reading unit, Fahrenheit or Celsius. Just open the back cover and press the button to switch freely. Long press the button to use for distribution network. Check Humidity and Temperature: Bluetooth connection, check the humidity and ambient temperature of green plants, lawns, and other soil. The top indicator light reminds users to water in a timely manner. Specification: Item Type: Soil Temperature and Humidity Meter Product Material: ABS, Silicone Weight: Approx. 44g / 1.6oz Battery: 2 AAA Batteries (Not Included) Temperature: -10~60 (14~140) Humidity: 0-100% Package List: 1 x Soil Temperature Humidity Sensor 1 x Manual How to setup programmer to control Insoma Timer automatic