Features: It can be lighted by arc ignition. Use safer and more stable than matches. It can be charged by computer, power bank, car and so on. The total charging time is only 1.5 hour and does not need for a long time. Perfect gift for family, friends. It has a long service life. Designed high-end, stylish and windproof. Using high-performance polymer aluminum battery, it can charge and discharge about 500 times. The sensor screen can be touched to ignite, and the screen also can display power, 4 lights are 100% of the power, 3 lights mean there are 3 cells, and so on.