BEURER THERMAL UNDERBLANKET UB30

It is a blanket that contains a network of electrical heating wires and it helps to keep the bed occupant(s) warm. It is placed above the mattress and below the bottom bed sheet. It has a control unit that adjusts the amount of heat the blanket produces which is adjusted by the user. It has one control for the bed. It should be used to pre-heat just before bedtime or switched on to warm the occupant while they are sleeping.