Specifications High-concerned chemical:None Power Source:AC Number of Speed Settings:Third Gear Application: Heating Element:heating wire Model Number:HK-109-GS Area Heated: Function:Remote Controlled,Adjustable Thermostat Certification:RoHS,CE,EMF,CB Electric Heater Type:Convector Heater Use:LIVING ROOM,bedroom Power (W): Voltage:220 V Electric Blanket Heated Blanket Security Electric Blanket Thicker Single Electric Mat Body Warmer Heater for Winter Product size:Single controller 70 x150cm,  150x120CM ,180x120cm:Dual controller 150x180cm,200x180cm(only 150x180cm  and 200x180cm have double control switch,it can control 2 sides with different temprature) Material: plush material Product feature: Safe, comfortable, soft Switch type: Thermal Control Type Product power: 45w-150w Product voltage: 220v (50HZ-60HZ) Normal controller switch :(high,low 2 kinds temprature control),no timer function. Smart digtal display Switch controller:9 gears different temprature,1-12hours timer function Advantage: Soft,warm,comfortable Please pay attention to : * Only used for under bedding blanket * can not be washed by machine or dry-cleaning,but you can wash it by hand lightly *can not be used if wet *The shape of the switch may vary depending on the production batch, but the function is the same.