KHM1145 Features: * Heated pad * Recommended for indoor and outdoor use * Great for dog houses, porches, garages, barns or in the home * Thermostatically controlled to warm to your pet"s normal body temperature * 5.5-foot steel wrapped cord * Washable fleece cover * MET Listed Options: * Available in Small, Medium or Large sizes Construction: * Constructed of rugged ABS plastic Dimensions: * Small (40 watts) dimensions: 0.5"" H x 18.5"" W x 12.5"" D * Medium (60 watts) dimensions: 0.5"" H x 22.5"" W x 16.5"" D * Large (80 watts) dimensions: 0.5"" H x 28.5"" W x 22.5"" D Warranty: * One year limited warranty