This house comes with and accommodates a Kitty Lectro-Soft. The roof hangs over the 2 doors to keep cats warm, safe and dry. Easy to assemble with hook and loop fastener walls and a zippered roof. MET listed. All K H heated products are thermostatically controlled to heat to 102 F, regardless of the size. Dual thermostat simply means there are two internal thermostats that will keep the surface of the bed at 10-15 F above ambient air temperature when your pet is not on the bed. When your pet lies on the bed, it will warm to about 102 F. Features n Perfect for any outdoor cat.n Waterproof for use anywhere outdoors.n Two exits so pet can not be trapped by predators.n No tools needed to assemble.n Sleeping Dimensions 14 x 18Item Details n Dimensions 22 x 18 x 17n Color Gray / Black