Tesla Coil Lighters VimPer Elf Electronic Lighter Windproof USB Rechargeabl USB rechargeable and DC: 5V, OUTPUT:1A USB adapter or usb port.Avoided tedious refill in kerosene lighters. 2-3 hours get full-charged. Indicator light show status directly, make charging at right time. A full-charge could arcing a week or 100-300 times. Safety and simply use, open cap and push button then put what do you want to fire on. Windproof, flameless, no gas fluid required. Outdoor or camping even keep it on flight.