Control of the U.S. House is not at stake, but the outcome of the special elections could give congressional Republicans some breathing room in the narrowly divided chamber.

Here’s a quick explanation of why Florida is having special elections this week, who the candidates are in each race and how, where and when to vote.

Republicans are expected to win the two red districts, but political watchers will be eyeing turnout and margins as indicators of voter sentiment about Trump’s second term and the GOP’s future electoral prospects.