1. [Electric heating] The heated wire that is evenly distributed makes the feet heating pads quickly heated, and the soft flaws have a more delicate touch, which can better lock the temperature and save energy. 2. [Upgrade heating line] The heating line of electric feet adopts the latest heating technology, triple security guarantee-TC heating protection system, PTC temperature monitoring system and PVC insulation layer. Let you enjoy the warmth brought by the hands and feet thermos in a safe environment. 3. [Time and Temperature Settings] The thermal pad controller has UL authentication and can set 6-level temperature (104 F-140 F), which is convenient for you to choose the most comfortable temperature. The 4 -level timer function (30/60/90/120 minutes) automatically shut down the heating foot thermor. Even if you fall asleep, you don't have to worry about the combustion or short circuit caused by the continuous heating of your legs, which makes you more assured. Turn off and remove the power after use. 4. [Easy to clean and storage] Waterproof power design makes large weighted heating pads easy to clean. Just unplug the controller and then put the feet heating in the washing machine. Please dry naturally. Thousands of folding tests have proven that the heating line has extremely high toughness and will not be short -circuited and leaked. When not in use, you can fold the rear heating pads and roll it up to store it easy. 5. [The best gift in winter] Do you still worry about birthday, Thanksgiving, Christmas gifts? In this winter, send warmth to your family and friends. Whether at home, in the office, or on the journey, the heating pad for low back pain can promote the blood circulation of the abdomen, feet, hands, shoulders, shoulders and backs, relax muscles and relieve fatigue.