Biddeford Blankets luxuriously soft MicroMink and Sherpa electric heated warming blanket. This super soft, warm 100% polyester blanket has an easy-to-use digital controller with 10 personal heat settings. Constructed with ultra-thin wires for added comfort. Should you get too cozy and nod off, don't worry - this softie has a 10-hour auto shut-off timer to keep you safe and sound plus save energy. Machine wash and dry. These heated bedding products were made to work with 110V Electrical systems. If you live in a country that utilizes a different electrical system you may need to use a converter for these products to function. **All Biddeford Blankets are rigorously tested and approved by a third party (UL or ETK Intertek) to comply with current industry safety standards. Please reference the included use and safety instructions to insure safe operation. Additional safety certification for this product can be viewed on the UL or Intertek websites or by calling their perspective customer care phone numbers.