Thermo Cube 120VAC/15A Thermostatically Controlled Outlet TC-3. Comes on at 35deg/off at 45deg. Use to power items when temp goes below freezing such as heat tape, stock tank de-icers, heat lamps and engine heaters. We use them in our chicken coops. We bought more than we needed. New and unused. Shipping is by USPS First Class or USPS Priority Mail. Your choice at checkout.