Temperature RangeThis plug-in temperature controller socket automatically switches to heating and cooling mode and controls the heating/cooling devices in operation. Temperature range: -40~120, temperature control accuracy: 1%. Timer Modes: Cycle or Countdown Timer. You can set the start/stop time in minutes (range: 0-59 minutes) and hours (range: 0-99 hours). Time accuracy: max 10 minutes. Maximum load: 16A(2) 3680W. LCD DisplayThe LCD screen can display the temperature control mode and 4 time control modes F01-F04. And with temperature correction function, screen lock protection, memory function (all current settings are saved after power off). Different numbers and patterns are clearly visible 5 Display ModesThere are 5 temperature control modes: F01 cycle timer mode, F02 countdown mode, F03 countdown mode, F04 countdown mode, and countdown OFF mode. Please note that two modes cannot work at the same time. The system only works in the currently displayed mode. But! The timer function and temperature control function cannot be used simultaneously. ApplicationSuitable for glass containers, aquariums, greenhouse tanks, aquaculture, greenhouses, seed germination, air conditioners, refrigerators, incubators, heat lamps, heat mats, carbon crystal heating, etc.