Add this heated pad and your cat house will be even more warm and cozy. Heated Pad Features: •Recommended for outdoor and indoor use •Only 25 watts •Chew resistant features •Thermostatically controlled to warm to animals normal body temperature •UL Listed The pad warms up to about 15 degrees above the surrounding temp and then when it senses the cat's weight on it, it will warm up to about 100 degrees which has been determined to be the perfect temp for cats. PLEASE NOTE, IF YOU ORDER THIS ITEM WITH A "CAT POD" OR CUSTOM HOUSE WE WILL INSTALL A PORTAL FOR THE CORD. BUT IF YOU ORDER IT WITH ANY OTHER "READY-SHIP" HOUSE THERE WILL NOT BE A PORTAL.IF YOU ARE ADDING THIS ITEM TO HEATED HOUSE IT IS WISE TO ALSO ADD A WEATHERPROOF OUTLET TO MANAGE THE CORDS. HEATED PAD PAD2$69.00 Please note that some of the houses pictured through out this sight have various upgrades and add-ons,most of the houses do not come with a window unless you add it and the standard door is made of wood with a vinyl flap.Unless stated otherwise in the description. PLEASE READ ALL INFO ON THE HOUSES THOROUGHLY BEFORE PLACING YOUR ORDER. MOST PROBLEMS ARE CAUSED FROM PEOPLE WHO HURRY THRU THE STORE AND THEN MAKE UNINFORMED ORDERS. AT THIS TIME, CUSTOM HOUSES ARE SHIPPING OUT WITHIN 10 BUSINESS DAYS. NEED IT QUICK? CHECK OUT OUR READY TO SHIP HOUSES.