No flame, no butane, easy to use, and rechargeable. And so much safer than a match. Simply push the button to ignite the electric arc on this handy little unit, and hold it to a wick to spark the flame. When power is low, connect the included USB charging cable to a computer or phone charger, and power it up. Perfect for the home, it's a useful tool to have while traveling, camping, hiking and more. Measures 7" long, and can be slipped into a tote bag, backpack, briefcase, or luggage.