Meet the Optimus Crux backpacking stove, the heavy duty lightweight. It's a 3.3 oz. camp stove engineered to hide away under a gas canister. This seemingly impossible feat is accomplished with a foldable burner neck and serrated pot supporters which are also designed to fold away for packing. It's hard to find a stove that's more compact and convenient than the Optimus Crux. Why carry more than needed?Compact foldable burner head. Innovative packaging under gas canister. Rating: Powerful 3000 W./10,200 BTU Includes burner with valve, stuff bag and instructions. Burn time: Up to 60 minutes at high maximum output using a 220 g/ 8 oz. canister. Boil time: 34 fl oz.(1 L of water) Down to 3 minutes depending on climate, altitudes etc. Fuel LP-gas 75/30 butane/propane (not included). Size: 3.3 in. x 2.2 in. x 1.2 in. (when folded). Weight: 3.3 oz. (93 g ).