THREE LEVEL HEAT CONTROL Slide switch selects low, medium or high warmth, thermostatic circuit pulses the 120W element to keep the chosen comfort all night while using pennies of power compared with whole house radiators on frosty evenings. FULL KING SIZE COVERAGE Evenly spaced wiring distributes gentle heat across the entire 150x200cm surface, removing cold shoulder and foot zones so both sleepers enjoy balanced cosiness in draughty lofts, caravans or winter cabins. SAFE REST ASSURANCE Sensitive overheat sensor and BS fused plug cut power immediately if temperatures rise unexpectedly, giving peace of mind for families, older relatives and shift workers who need undisturbed, worry free sleep. SECURE CORNER STRAPS Four elastic ties anchor the under blanket flat to the mattress, stopping rucks beneath sheets and maintaining consistent contact so warmth stays steady no matter how much you move during the night. MACHINE WASH EASE Unclip the detachable controller then launder the quilted polyester blanket at 30°C to remove spills and dust, keeping fibres fresh and soft year after year without costly dry cleaning.