Heat preservation: heating plate heating quickly and evenly. Keep feet, legs and knees warm and comfortable. Fast heating for 3 seconds: after the carbon crystal is electrified, the carbon millet rapidly releases far-infrared heat compatible with the human body, activating the rapid movement of human cells and heating from the inside to the outside. Three fold panel : three dimensional surrounding, heating range is wider and more concentrated. Don't take off your shoes. Perfect for home or office. New foot heating mode: 1200*500MM light weight, say goodbye to bulky packaging, feel warm immediately. Multi power adjustment, easy to operate, suitable for the elderly in winter, office and home use. Whether at home or in the office, feet, legs, knees can keep you warm and comfortable Intelligent temperature control far-infrared desk lamp: using non-metallic carbon fiber heating elements, safe, no light, no sound, no smell, the back is made of insulating materials, effectively prevent heat dissipation. Meet the different needs of indoor and human body temperature