Voltage: 220 volts Product Power: 50-100 watts Material: plush cloth Usage: Sleep, can not be washed or dry cleaning. 0nly used under bedding blanket If you want to stay toasty warm as the nights get colder, then look no further than an electric blanket. This blanket has a short 20 minute heat up time. It comes with a 3 heat setting controller and a built-in overheat protection function. So, take a second to imagine sleeping on slightly heated surface in chilling winter.