🌱Temperature Control: By setting the start and stop temperature, this plug-in temperature controller will automatically switch between heating and cooling modes and control the heating/cooling equipment to work. Temperature range: -40℃~120℃, Temperature control accuracy: ±1%. 🌱Temperature Alarm: When the temperature exceeds the temperature limit or a sensor fault occurs, the thermometer will alarm. It can also calibrate the compressor delay protection for compressor control and temperature. 🌱Application: With this thermostat, you can accurately control the room temperature. Greenhouses, aquariums, carbon crystal heaters, aquaculture, incubators, room temperature control, homes and other places are widely used. 🌱Smart Timing: This plug-in timing thermostat has the functions of cycle timing, timing opening, timing closing and timing switch. Time range: Interval: 0-99 hours 59 minutes, Timing accuracy: MAX 10 minutes. 🌱Easy to Use: The thermometer has the functions of timing on, timing off and timer switch. Just plug it in and select the heating/cooling system to work normally. No tightening required. The LCD screen can display accurately and is very easy to use.