The adjustable thermostat can automatically turn on/off the heating/cooling equipment according to the target temperature you set, and only use the power when necessary, which can bring you comfort while saving your unnecessary cost, give you peace of mind then Provides two modes: heating/ cooling mode are available for all seasons Equipped with extra extension cord, convenient for your to adjust the temperature at any time The LED indicator allows you to easily check the working status of the device It uses power only when necessary, thus helps save a lot on your electric bill It is widely used for household, greenhouse, aquarium, reptile, incubator, terrarium, fridge, homebrew, vivarium, fermentation, heat mat, etc