This Bluestone XL Heat Pad Blanket is an electric heating mat with 9-foot AC power cable and remote control. It comes with 4 different temperature settings - high, medium, low, and warm. It also features an absorbent sponge to let you apply either dry or moist, deep heat to your preference. This pad is 228 square inches of soothing moist or dry heat. Its 9-foot AC power cord allows you to be in your most comfortable position while still being able to use the XL heating mat. To keep you and your family safe, the king-sized electric blanket automatically shuts off after 40 minutes of continuous use.