Electric Heating Belt Waist Lumbar Spine Massager Waist Four Seasons Heating Spine Correction Backrest , US Plug Electric Hot Model (Black) Electric hot model parameters: 1. Remote control timing 3 levels of temperature control 2. Arc stretch, three-speed adjustment 3. The wormwood bag can be placed for loading and unloading 4. Rated power: 25W 5. Rated voltage: 110V 50HZ 6. Rated current: 1A 7. Temperature control: about 30-75 degrees Celsius 8. Material: ABS polyurethane + NBR foam sliver + crystal velvet fabric + mercerized cotton fabric 9. Suggestion: Use for 5-15 minutes each time, 2-3 times a day 10. Heating area: about 20x30cm 11. Size: about 25.5x38.5x10cm 12. Weight: 768g Ordinary model parameters: 1. Arc stretch, three-speed adjustment 2. Material: ABS polyurethane + NBR foam sliver + crystal velvet fabric + mercerized cotton fabric 3. Suggestion: Use for 5-15 minutes each time, 2-3 times a day 4. The wormwood bag can be placed for loading and unloading 5. Size: about 25.5x38.5x10cm 6. Weight: about 750g