Firefighters say that one of the #1 causes of preventable household injuries are mishaps during a blackout.
Millions of households in the US get blackouts, and yet hardly anyone has a backup light.
Thousands of people end up in the hospital every year from hurting themselves in the dark.
Firefighters in the USA are trying to save lives, and they're desperately spreading the word about this one common safety tool anyone can use.
Every household in America is being advised to get it, especially if there are children or elderly people in the home.