Ordinary nightlights provide comfort in the dark, but they don't have much use when the power goes out. The Sylvania LED Power Failure Light is much more than a nightlight: This 3-in-1 device contains an LED nightlight with a built-in photo sensor that turns the light on automatically at dusk and off at dawn. It also contains built-in rechargeable batteries that turn the ultra-bright light on automatically if the power goes out, and you can even remove the LED Power Failure Light from the outlet to use its bright LED flashlight feature. Since this power-failure light uses LEDs, you'll never need to replace the bulbs.