Dual insurance control switch at the on/off button protects children from igniting accidentally 10 seconds automatically shut down avoids too high-temperature damage.(Candle NOT Included).Upgraded SHELLTON Arc lighter which can display real-time battery volume. When 5 LED lights on the barrel turn on it is fully charged. USB lighter can provides over 600 uses on a full charge. Pls charger in time when one LED light truns on.Upgraded seamless steel hose has a long flexible neck . It can rotated 360° degree and easy to Reach in the candle deep glass jars. Lightweight size is suitable for daily indoor and outdoor use.The Arc lighter adopt flameless plasma technology to protect the electric pulse from being blown out by strong wind or wet weather. It is a perfect tool for lighting under bad weather. Compared with other lighters the SHELLTON candle lighter make less noise.