SAFETY: Electric blankets have passed the American safety UL964 Test.Have ETL Certification.Lower Electro Magnetic Radiation.The heating wire is designed and produced by Japanese company,more advanced technology,stronger insulation and flame resistance.Moreover,the heated blanket use NTC overheating protection technology, 8 hours auto shut off to ensure that it will not overheat and cause burning. PREMIUM MATERIAL: 220gsm Double-sided flannel.The fabric is very soft,thicker than normal blankets,and warmer than normal blankets even without electricity.The fabric is durable and does not shed.The diameter of the heating wire is 2.2 mm,and the existence of the heating wire is hardly felt during use,which is more comfortable. ENERGY SAVING: heated blanket use the intelligent temperature adjustment technology.When the temperature rises,the heated blanket will automatically adjust the temperature according to the surrounding environment,which can always provide users with a comfortable feeling and is conducive to energy saving.Compared with air conditioner,using heated blanket is more energy efficient,and you can save more heating costs in winter. EASY TO USE: heated blanket have 10 heat levels,8 hours auto shut off.Temperature range is 86-113F.There is only one button on the controller to control the temperature,very convenient to use. Power Cord is 14.3 feet,this long cord makes the use of the blanket more flexible,can be used on the bed, on the sofa, very convenient.