This heated pet mat is constructed of durable and weather resistant high impact ABS plastic. With thermostatic control, it's designed to automatically heat to your pet's body temperature range to keep them warm during the cold season. A red indicator light shows when the unit is operating. The heavy-duty anti-chew" cord protector deters your pet from chewing. For indoor or outdoor use. Comes with a Faux Lambskin Fleece Cover. 100 watts. One year limited warranty."