Round, or dome shaped doghouses have been a best seller for years and the LectroSoft Igloo-Style Heated Pad is the answer to provide warmth for the animals using these homes. Its half round shape fits easily through the door of the home and allows for the pet to stay on or off the heated surface.This soft, orthopedic bed is unique in thatitill still provide soft, comfortable warmth even in sub-zero weather! Super soft PVC is used on the exterior to ensure the bed does not absorb water,and stay wet like a fabric bed would. The LectroSoft Igloo-Style Heated Pad provides reliable, soft, affordable comfort. Indoor or outdoor use. One year limited warranty.All KH heated beds and pads feature dual Thermotats and are designed to warm to your petnormal body temperature when he/she lies on the pad. When your pet is not on the pad, the heat will dissipate into the air and the surface temperature will vary according to the ambient air temperature. All KH heated products are Thermotatically controlled to heat to 102 F, regardless of the size. Dual Thermotat simply means there are two internal Thermotats that will keep the surface of the bed at 10-15F above ambient air temperature when your pet is not on the bed. When your pet lies on the bed,itill warm to about 102 F. The only soft, heated bed that is designed to fit the Dogloo or Indigo Uses 60 watts The half-round shape covers half the floor surface allowing pets to naturally choose when they want warmth. The half-round shape covers half the floor surface allowing pets to naturally choose when they want warmth. The half-round shape covers half the floor surface allowing pets to naturally choose when they want warmth.