Warning: 110V product only can be use in United States, Canada, Mexico, etc. low voltage countries. In the other words, 110V voltage countries can't use 220V products. Extra Large 12*24'' 100 - 120V 85W Washable Electric Blanket Heating Pad 110V for Back Pain Relief Auto Off Body Warmer US Plug Specification: Item: Electric Heating Pad Size: 12x24'' Material: Coral fleece and Warp knitting fabric Color: Light Grey Power: 85W Voltage: 100V-120V Controller Features: Feature 1: 3 heat setting with LED indicator : Hi-Mid-Low Feature 2: Auto off in120 minutes Feature 3: Washable due to detachable controller Feature 4: Fast heating and overheating protection(PTC+NTC heating system) Feature 5: ETL approval Package Included: 1* Electric Heating Pad 1* Controller 1* Manual Instruction 1* Gift Box Attention: 1. Do not: Bleach, Tumble Ion and Dry clean. (Caution: Frequent washing may have a negative effect on the product). 2. Since low voltage of the electric heating pad only use in countries with power of 110V. 3. There might be slightly difference in color, due to the different computer screen settings. 4. With the different measurement , please allow 1-3cm in size deviation. (1cm=0.39 inch) 1. What is the temperature range of the heating pads We have three heat settings: Low light, temperature range (~120 F) Med light, temperature range (~130 F) High light, temperature range (~140 F) 2. Where do we use it? Due to its king size, it covers larger areas of your back neck, leg, knees, joint, muscle which need to relief 3. How does the moist heat therapy work? Simply spray a fine mist of water to the pad or wet your hand slightly. Place it on area of body you would like. DO NOT SOAK IT