The Lectro‐Soft comes in 3 sizes and is extremely low wattage. Perfect for doghouses, basements, garages, barns, sheds, porches or any other outdoor shelter. This soft, orthopedic bed is unique in that it will still provide soft, comfortable warmth even in sub‐zero weather! Super soft PVC is used on the exterior to ensure the bed doesnʹt absorb water and stay wet like a fabric bed would. Indoor or Outdoor use. One year limited warranty.