Package included: 1Pc Digital Thermostat High precision: The digital dual relay thermostat adopts ABS heavy-duty plastic casing and embedded structure, safe and energy-saving Temperature control by setting temperature setpoints and different values Multi-function: The digital thermostat has a variety of functions that allow it to switch modes between cooling and heating. It supports temperature calibration function and cooling control output delay protection function Customer Service:If you encounter any product problems, please feel free to contact us, we will provide you with quality after-sales service10?28? 17:44