The Optimus Crux is the only stove that nests in unused space under fuel canister. Unique foldable burner provides ultimate compactability Powerful and stable 3000 W burner (precise simmering and fast boiling). The lightweight that boils water fast, but will not spot burn while simmering

Specifications:

Fuel: Butane, Isobutane, Propane
Output: 3,000 W 10,200 BTU
Burn Time: 90 Minutes Maximum Output 8 oz can
Boil Time: 3 Minutes / 1 Liter
Dimension: 3.3" x 2.2" x 1.2"
Weight: 2.9 oz