This is the max length and max weight for a gate that the manufacturer recommends the gate opener to be used on. One thing you will see is either an "and" or an "or" when describing the capacities. If it has an "and" both the max weight and max length can be used at the same time. If there is an "or" then as you move towards either maximum the other capacity decreases. Manufacturers that us an "or" rating do this to not limit gate openers from move heavier gates that are short because the gate opener will have leverage to do so.
QB ID: x