Two-position design permits a low flame for controlled cooking or a direct flame for a quicker boil time •Powered by Esbit® solid fuel tablets (6 included); each tablet burns for approximately 12 to 15 minutes, •Non-toxic fuel is environmentally safe, has no ash residue and is nearly odorless •Its small size and stable fuel source make this stove a great addition to your emergency preparedness kit •Additional fuel tablets sold separately.