Heating pads:Electronic control8 or 10 temperature setting with LED indicatorAuto off 2 or 4 hoursAdjustable auto off timeDetachable power cordheating pad use downproof fabric,Website: , release negative ions, high heat conversion rate, energy saving and environmental protection, no radiation, the safety anti leakage, use not dry mouth not Zaore. Science and technology, health, life, the correct choice of environmental protection.