* Outdoor heated dog bed with soft orthopedic foam base and includes free soft washable fleece cover * Thermostatically controlled to automatically warm the surface of the bed to your pet's normal body temperature only when in use by your pet * Ideal waterproof outdoor dog bed for sheds, garages, barns, or any sheltered area your outdoor pets hang out * Outdoor heated dog bed has been tested & certified by MET Labs and exceeds USA/CA electrical safety standards; K&H doesn't just use safety listed parts, we safety certify the entire product - For indoor/outdoor use with 110/120 volt electrical current only * Each size features a 5½ foot steel wrapped cord; Small 20 watt measures 14" x 18", Medium 40 watt measures 19” x 24”, Large 60 watt measures 25” x 36” * Designed & patented by K&H with OVER 20 years of experience in creating safe, innovative, quality products for pets Are you looking for a versatile heated dog or cat bed?