WARMTH & COMFORT : With a larger area of heating wire, it can cover your whole body and provide faster heat, keeping you warm and cozy this winter (87 F in 20 minutes, up to 126 F at heating level 10). This blanket is soft and cozy. It has a lovely cozy smoothness you will find in our good quality Sealy blanket. For optimal user experience, please set the heating level at 5-8 when you turn on the heated blanket. SAFETY ASSURANCE : ETL & FCC certified heated blankets with overheat protection design, High quality insulated heating wire helps monitor real-time temperature, provides the perfect temperature for deep, relaxing sleep and offers the safety promise of overheating protection. This Sealy warming blanket throw sold in the US work at 120V.