Piezo Electronic Ignition system with safety locking switch (MJ-300). Powered by a refillable A7L2 Gas Cartridge or readily available disposable lighters. Flame temperature up to 1300°C(2400°F) Windproof flame and waterproof ignition make the MICRO-JET™ ideal for camping and outdoor use. Compact size allows the unit to fit easily into any first aid/survival kit or tool kit. Cartridge Included. 25x65x110mm