Viral videos of streetlights flashing in several US cities have sparked fears around the electricity grid and further drone activity.

Screw on or snap the top of the flashlight back into place. Be sure to watch the LED to make sure it doesn't fall out of ...

Using an Extech LT45 LED Light Meter, we positioned each light inside a large sealed box with the flashlight at one end shining across the box onto its opposite wall. We placed the light meter ...

introduced the Nano Light® II, an ultra-compact LED keychain flashlight that provides steady, bright light for one hour of ...

And when we say “elaborate,” we really mean it. We’re talking 18,000 LED lights flickering, flashing and kind of dancing along in exotic ways in sync with the music. We’re talking computer controlled ...