Ki-vi Electronic Plasma Pulse Arc Skull Metal Cigarette Lighter USB Rechargeable Flameless Electronic Arc Novelty Designs Lighter, 6.91cm x3.31cm x1.12cm Side Button design, easy to use and carry. USB Rechargeable, Any DC 5V output voltage, Output current 1.0 A. After full Charging 2 hours, can use 100-120 times. Windproof, flameless, safety, no gas and fluid required, energy-saving, can be kept on flight. It's fairly silent - a little pop when the arc activates.