Rechargeable battery operated fir heated body wrap/blanket/dog coat/pets coat for pets/small animals ( dog, cat ) with far infrared technology ~ for optimum protection Far infrared (fir) technology throughout Rechargeable battery ( li-on ) operated Anti-microbial mesh material Proper fit at rest or play Easy to clean Preparing pets for cold weather During the coldest part of the year most of us will winterize ourselves and our homes in preparation. But, have we considered preparing our pets to help them meet the challenges of winter? Perhaps the most important consideration for preparing your pet for winter against, Shivering is the earliest indication your dog is too cold. As hypothermia progresses, the dog becomes lethargic and weak, and it's gums may turn pale or bluish. Frostbite is dangerous because it normally goes unnoticed beneath fur. It affects ears, feet, tail, scrotum and mammary glands. After the initial numbness, pain and skin sloughing may occur. Cover it with fir heated body wrap and let it rest and get warm!! Fir heated body wrap also, - restoring damaged cells in the ligaments and tendons - reducing ligament stress - improving the circulation of the lower limbs - revitalizing a tired tendon fibers - relieving pain and point tenderness - reducing lactic acid & uric acid build up - reducing swelling and fluid retention - cellular healing & regeneration - preventing injuries - improving tendon & ligament fiber strength - a safe drug free alternative therapy Technical data, High performance handy lithium ion battery ( li-on ) set plus temperature control. Batteries recharge (charger included) with design pocket to fit battery and connectors to provide your pet the freedom of movement no matter in indoor or outdoor activities. 5 scales adjustable temperature controller with LED indicator and white torch light. Battery capacity that lasts up to 4 ~ 8 hours averagely. Rechargeable by AC outlet or by dc12v car power source without memory effect and endurable for over 600 times. Li-on battery and temperature control, DC 7.4v/2200mah rechargeable li-on battery. DC 7.4v/4400mah rechargeable li-on battery