Product information: Product material: natural bianstone Principle of temperature control: five gears to adjust the temperature Input voltage: 100 V-240 V Output voltage: 12V Color temperature control: 100 degree red, green 80 degrees, blue 60 degrees, 40 degrees white, 20 degrees yellow Packing list: 1 * Moxibustion tool for heating Bianstone 1 * adapter 1 * storage bag Precautions: The operator must understand or can be used by professionals. Check carefully before use, use it in a safe place with ventilation, adjust the temperature according to your own to avoid burns, do not pull the power cord and disconnect the adapter after use. When the smell remains when used with the ointment, you can clean the white stone parts with disinfectant water (without electricity) and then clean them with a cotton or cotton cloth. Do not immerse in water to avoid damage.