Hi Steve, hope you are feeling better.
Just looked at the Echozoom, it’s identical to the Petromax, so search for that.
The Joy Stove is very versatile, it comes with a grilling rack and the pot rings which can be removed for larger pots. Another thing you get with it, is what looks like a Vortex ring, but it’s sides are parallel instead of sloped. This is a Charcoal saver, so if you only using a small pot there’s no need to fill the whole stove.
Temperature control 🤔 there is temperature control via sliding inner ring that covers the airways, but it’s not that good.
A good handful of Lump wood burns for about 30 minutes, but that’s only a guess. If you look at the picture of the stove, the square section at the bottom of the picture is a handle, one each side, but these open so you can add charcoal, without moving the grate.
You can also buy a Oven Top for the Stove to make it totally versatile.
Just cooked some Curry Sauce on mine 👳🏽♂️