MODEL HM-100L - 100 WATTS OF POWER (24" X 29") Made of durable, weather-resistant ABS plastic Designed to automatically heat to your pet's body temperature range to keep them warm in cold weather Thermostatic control to help maintain your pet's body temperature (100?-105°F) Custom built-in red indicator light indicates when unit is operating Heavy-duty "anti-chew" cord protector to deter your pet from chewing Designed for indoor use or outdoor on a hard, flat surface Comes with a faux lambskin fleece cover One year warranty