I have used this stove all over the world from sea level to over 20,000 ft. it has never let me down. I can't say that for the MSR XGK's i've owned. Plus the ability for using gas cartridges makes it great for backpacking/bikepacking.
OmniFuel is a sturdy stove that works with LP gas, gasoline, diesel and kerosene - even aviation fuel. Omni-fuel has a very exact flame control and three jet nipples for optimal combustion. Includes ErgoPump, multi-tool and stuff sack. Fuel bottle not included. Precision simmering. Ignition: Manual. Size: 5.6" x 3.5" x 2.6". Output: 10,500 BTU.
Fuel Type: Multifuel (LP gas, gasoline, diesel, kerosene or aviation fuel)