Heated & Cool mattress pad

CHARACTERISTICS: 1.The mattress is pattened with special water tubes inside, with the thermostat monitoring thewater temperatures. 2. Merits and Virtues 1) Keep away common electrical radiation 2) Between the mattress and water tubes are the special earth grain, which simultaneously emit Far Infrared Heat,It is much beneficial to human health. 3) Top Safety The electrical power will automatically cuts off when it reaches 15 hours continuous work. The mattress is equipped with level sensor underneath, ensuring the mattress works on safe plane level. Otherwise, it will autumatically stops work. Thus it greatly reduces potential dangers.