The Camco Olympian GM12 Continuous Ignition 13" Multi-Sparker is the one designed exclusively for igniting gas appliances. There is no butane to refill and the continuous ignition piezo electric sparker assures a large and immediate continuous spark. The automatic illumination micro-light and curved nozzle make tough lighting jobs easy. The lighter is 13" long overall including the 7" pipe. It uses one C battery (included).