Input voltage (AC): AC220-240v 50Hz Material: super soft crystal, heating wire length: 136cm+57cm or more Heating pad heating temperature: speed 1-30C, speed 2-35C, speed 3-40C, speed 4-45C, speed 5-50C, speed 6-55C, speed 7-58C, speed 8-63C, speed 9-65C, speed 10-70C Multifunctional large area This heating pad measures 60x 90cm and can cover the entire back and neck Provides soothing warmth to the chest, shoulders, abdomen, legs and other body parts, effectively relieving muscle pain and fatigue to keep you warm in the cold winter. Widely used in life In addition to healing your muscle pain, you can also put this heating pad on your abdomen and legs to keep warm while watching TV. It's suitable for all ages and suitable for all seasons.