How is a dual-control griddle different from a single-zone one?

Each half has its own thermostat, so you can sear on one side and hold food warm on the other. That is the main reason to pick it over a single-control model.

Can I use it indoors?

It is an electric countertop unit, so it can run on a kitchen counter, but a 29-inch griddle produces smoke and grease. Use it under good ventilation or outdoors.

Does it need propane or a gas line?

No. It runs on electricity only, so there is no fuel tank or gas hookup.

How big a crowd will it cook for?

The 29-inch surface holds a full breakfast spread or burgers and vegetables for a group in one pass. It is sized for family and party cooking rather than single servings.

Is it built like a commercial griddle?

No. It is a home countertop appliance with lighter construction than restaurant flat-tops. Treat it as a budget-friendly large griddle, not a commercial unit.

What should I check before buying?

Confirm the surface dimensions fit your counter and that your outlet can handle the wattage. Also plan for grease cleanup, since there is no side table or drip management beyond the unit itself.