The LCD will display the temperature flashing. The adjustment range is 35-50 degrees Celsius.Press the heating button to cycle the temperature. Press once to adjust 1 degree Celsius.When the temperature is adjusted, the temperature shows the corresponding temperature setting.Blinking, 3 seconds without operation saves to exit the setting state, and the temperature display returns to the current temperature.★Specifications:Name: Electric Gua Sha MassagerProduct model: QP-012Input voltage: 110-240VPower: 20WWorking voltage: 9V 1.5AWeight: 0.85kg★1. Heating switch:Press the heating button (heating icon), and then press the heating button again (heating icon is off.)★2. Heating setting:Press and hold the heating button for 1.2 seconds to enter the temperature setting. The LCD display will show a flashing temperature. The adjustment range is 35 to 50 degrees Celsius. Press the heating button to cycle the temperature. Press once to adjust 1 degree Celsius. After adjusting the temperature, the temperature will display the corresponding temperature setting. Flashing (not working for 3 seconds), save and exit the setting state, the temperature display returns to the current temperature.★3. During heating/switching or process, heating is not performed when the temperature is not displayed.Package includes:1 x Electric Scraping MassagerNotes:Due to the differences between different monitors, the picture may not reflect the actual color of the item. Slightly different, it is normalDue to manual measurement, please allow an error of 1-3cm.