Smart Tester: If you have soil tester and water timer at same time, you could set a smart irrigation . 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. (water timer Not Included). Intelligent Monitoring: The intelligent monitoring is achieved through Zigbee gateway and intelligent linkage, achieving intelligent monitoring of soil temperature and humidity, viewing dynamic changes, and automatic watering. (Note: This must be connected to the Zigbee gateway to use, the gateway is not included.) 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: 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., Manufacturer: CTRLZS