Our Beauty rest heated mattress pad contains Secure Comfort technology, which is designed to virtually eliminate Electromagnetic Field emissions. The soft flexible wires and quilted top ensure your comfort. The fitted skirt is designed to create a perfect fit and fits up to a 18" mattress. Our heated mattress pad is machine washable, with a 10 hour auto shut off, and 5 setting temperature control. Twin, Twin XL, and Full size have one controller, Queen, King, and Cal King size have 2 controllers. Includes manufacturer’s 5-year warranty. Soft quilted top heated mattress pad with 3M Scotchgard Fit mattresses up to 18" in height Features 5 heat settings temperature control, up to 10-hour auto shut off 2 separate temperature zones for Queen and King sized mattress pad (2 controllers) Proprietary extra hotspot sensing technology for extra safety Compatible with automatic timers and Smart Home Outlets (Auto-Run Patent) Proprietary overheating technology grants additional protection and extends product life Temperature Boost technology offers faster and safer heating Soft flexible wires provide durability and comfort Virtually no electro-magnetic field emissions 100% UL certified (US standard) Manufacturer's 5-year limited warranty included  # of Controllers: 1 # of Heat Settings: 5 Features: Heated, Quilted Thread Count: 185 Bed Size: Twin Cord Length (ft.): 6 Ft Mattress Depth: Up To 17 In Deep Base Material: 100% Polyester Care: Machine Wash, Tumble Dry Mattress Pads & Toppers Type: Mattress Pads Country of Origin: Imported