Smart Tester: If you have Insome soil tester and water timer at same time, you could set a smart irrigation system. 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 Switching Between °C and °F: Choose your preferred reading unit, Fahrenheit or Celsius. Just click the round button on . Long press the button to use for distribution network Reliable Performance: The temperature & humidity & sunlight 3 in 1statistics function, low battery reminder, and reading on mobile phone apps or LCD display allow users to constantly understand the specific situation of the soil, solving the problem of inconvenient traditional temperature and humidity readings Check Humidity and Temperature: You could check Moisture and Temperature in anywhere and anytime. Our sensor can record those dates within 365 days, Weight: 0.12566348934 Pounds, Manufacturer: NONDK