THERMOCUBE 

Thermocube

Product Code: FARPTC3 Price: Check Latest Thermocube Energy Saver Automatically turns your electrical equipment on or off according to the outside temperature. Plugs into any 120V receptacle or extension cord used in unheated areas. Provides 2 controlled receptacles. For auto, home, and farm; engine heaters, RVs, heat tapes, heat lamps, pump houses, livestock water tanks, boats, water pipes, etc. Save money by using power only when temperatures require it. Maximum rating: 1800W/15A/120V. UL listed.