Product features: ● Intelligent circuit control with LED working indicator ●Safe single circuit heating line ●Intelligent temperature sensing and automatic control of power on/off function ●60 overheating protection ● Four-level heating timing settings of 30-60-90-120 minutes ●6-step temperature adjustment function ●Safe slow heating and balanced heat transfer ●Light and soft Product Specifications: Name: foot-warming boots color: coffee, dark gray Size:27*27*22cm Power: 50 watts Box size: 270 * 270 * 75mm Single product weight: 600g Note: 1. Wash the heating pad after unplugging, you can machine wash or hand wash 2. After washing, please air dry before use 3. Please choose the appropriate plug according to your national electrical standards -Open: click the power switch, the thermostat shows the third temperature (heating pad default third temperature), while the heating indicator light is on, each press up key, the temperature from 48 degrees in order to raise 4 degrees to 60 degrees, a total of 6 files, each press down key, the temperature from the number of degrees to stay down a file. The heating indicator light is on in the working state, indicating that the product is in heating. -Off: any working temperature gear press the power switch, the thermostat no display, heating indicator light off, that the heating pad heating function is closed, enter the standby state.