The Trekker stormproof lighter features an extra large fuel tank to provide over 1,000 ignitions on one fill. The stainless steel wire closure with a rubberized casing make it watertight. Catalyzer coil provides ultimate windproof flame that withstands winds of 70-80mph. Burns a clean hot flame of 2,000 degrees Fahrenheit off of quadruple refined butane. Flame indicator glows when lighter is ignited and fuel level window located on lighters side for easy viewing. Slim design gives easy to one-handed operation. Lanyard included.Extra large fuel tankPiezo-electric ignition system for lighting in wet conditions and good for over 30,000 ignitionsFlame indicator window and fuel level indicator window includedAdjustable flame for optimum performance in altitudes up to 8,000 feetWithstands winds of 70-80mphWARNING: The combustion of wood, charcoal, and other fuels can expose you to chemicals including carbon monoxide and soot, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.