78 "x 80" heated mattress with dual controllers 65434520Comfortable and Warm Padding: This mattress cover has denser heating coils, which makes it heat more evenly and give users warm using experience in cold weather. Plus, made of high quality fiber, it not only has advanced heating capabilities, but also is pretty comfortable and smooth. Heat Settings: The queen king heated mattress pad comes with dual side controllers and 10 different heat settings. 2 controllers can control 2 heating channels