To be a helpful part of your emergency kit, USB-powered lights ... it's GE's 4-in-1 power failure LED night light (though there's also a version with a built-in battery). These operate as night ...

In theory, a LED light should last for ten years or so, unlike the typical 4W incandescent lamps used in night lights that seem to burn out in only a few months. But as engineer and founder of the ...