UST - Ultimate Survival Technologies, TekFire PRO Fuel-Free Lighter, Electric Lighter, Includes USB Cord, Blue WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. Windproof Flameless Rechargeable Product Description The lightweight and compact TekFire PRO Fuel-Free Lighter allows for quick and easy fire starting. Windproof, flameless, and electronic, it requires no butane fuel or adjustments for altitude. The included ParaTinder wrist lanyard can be unwound for about 3 feet of all-purpose paracord with an added single tinder thread. The lighter also comes with a USB cord for easy recharging from any USB port.