The outer layer is made of Oxford cloth, and the inner is waterproof PVC with elastic stretch function. When heated, it does not produce an unpleasant temperature. Even if you are in a different sleeping position, the entire part of the blanket will be hot. Product description Instruction manual: 1. Unfold the sauna blanket and connect its two wires to the output of the host. 2. Leave the customer on the blanket and start the operation. 3. Turn on the power supply and turn on the switch. 4. Press the button to set, select the time option and set the working time of the machine. 5. Press the SET button, when the temperature flashes 1, press the buttons up and down to adjust the output temperature of Output 1. After the machine is set, the value can be automatically saved. 6. Press the SET button again when the temperature flashes 2, press the up and down buttons to adjust the output temperature of Output 2. The value can be automatically saved after setting the machine. 7. After setting the working time and the output temperature, press the "S/P" button to start the machine. 8. After use, turn off the machine and cut off the power supply. 9. Clean the blanket and put it in a dry place. Specification: Colour: purple. Material: Oxford cloth outside, PVC inside. Power: 650W. Frequency: 50 Hz - 60 Hz. Package includes: Host x 1. 1 x power cable. 1 x blanket. 1 x remote control (no battery). Fuse x 2.