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 7530 butanepropane not included. Size: 3.3 in. x 2.2 in. x 1.2 in. when folded. Weight: 3.3 oz. 93 g .