WPH Grand Patrician SuperSoft Raschel King Heated Blanket, Brown Automatic Pre-Heat button warms your bed before you get in. Temperature regulation system automatically senses and compensates for changes in room temperature Temperature regulation system automatically senses and compensates for changes in room temperature 10 Hour automatic shut-off for worry-free operation Auto dimming LED Display is easy to read, and automatically dims for night-time use Machine Washable