Farm Innovators TC-3 Cold Weather Thermo Cube Thermostatically Controlled Outlet - On at 35-Degrees/Off at 45-Degrees The Thermo Cube is a unique, patented electrical device that plugs into a standard 15 amp electrical outlet and turns power on automatically according to ambient air temperature, saving money by using power only when temperatures require heating or cooling. There are five models available with different temperature ranges to choose from. Each unit has two receptacles for use with more than one electrical dev ice. Cold weather model TC-3 turns on at approximately 35F, and turns off as temperature rises above 45F. It is ideal for home and farm applications such as pond de-icers, unheated rooms, pump houses, greenhouses, boats and RV's. One year limited warranty. Features Plugs into a standard 15 amp electrical outlet and turns power on automatically according to ambient air temperature Works with any 120V electrical device Saves money by using power only when temperatures require heating Two receptacles for use with more than one electrical device Turns on as temperature falls to approximately 35F, off as temperature rises above 45F Ideal for home and farm applications such as pond de-icers, unheated rooms, pump houses, greenhouses, boats and RV's USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.