【Convenient Design】Separate design of socket and display screen, easy to operate the keys, Control wire: 2.79m 【Heating or cooling mode】 Just set START and STOP temperature values, it will automatically run in heating or cooling mode based on the setting. 【Free to switch between ℃/℉, Easy to use and program】Plug and play, easy to use; Support Celsius or Fahrenheit reading 【Wide Range of Application】It is widely used in intelligent control applications, such as heating, refrigeration, brew-ing, reptile, aquaculture, greenhouses, and households. 【Backlight settings】The LCD display with a backlight making it easy to read even in the dark. 【4 Timing Mode】Features cycle time and countdown function: F01 Cycling Timer, F02 Countdown ON, F03 Countdown OFF, F04 Countdown ON&OFF.