The UST Floating butane lighter with Piezo-electric ignition performs without fail in the most adverse conditions. O-ring sealed cover with locking clasp makes the lighter waterproof. Windproof flame withstands winds up to 80 mph. Flame window indicator glows a bright white color when the lighter is ignited. The Piezo-electric ignition lights at up to 30,000 times and works when wet. Flame adjustment provides proper oxygen mix for optimal performance up to 8,000 feet. Fuel capacity: 0.14 oz (Fuel not included). Dimensions: 2.6" x 1.6" x.5." Weight: 2.2 oz. Fuel not included. Uses quadruple refined high-performance butane fuel.