Optimus Crux Backcountry StoveIntroducing a backcountry stove that provides the ease and simplicity of butane canister cooking, yet folds down to fit into the domed space under the bottom of a butane fuel cartridge. Burner pivots for a very compact package burns one hour per cartridge. Excellent simmering function. Oversized burner head for even heat distribution. Includes stuff sack. Ignition: Manual. Size: 3.3" x 2.2" x 1.2". Output: 10,200 BTU.Weight: 2.92 oz.Boil time: 3 min (1 liter)