Function: The main dial (hour hand, minute hand, second hand) works normally and can be used as a watch. The other small dials are fixed for decoration only and cannot be operated. Energy power: The electronic watch part is electronic and can be replaced. The lighter part is a lithium battery, which can be charged. Material: Metal Accessories: One USB charging cable Ignition method: push the dial sideways, the electric heating wire glows red and ignites Charging is only: USB interface plug computer charging Charging - the light is on, after charging - the light is off. Defect description: Fingerprints are easy to leave after use, and the fingerprints can be wiped off. After a period of use, it will be as bright as new after being wiped lightly. Reminder: Buyer feedback that the heating wire is not red after receiving the product, or the heating wire is not red after charging Reason: The product is designed with switch lock Solution: open/close the dial 3 times continuously and quickly, the light flashes, which means the switch lock is open, and then the ignition can be normal When the switch lock is locked: the ignition heating wire is not red, and the charging light is not on