Xenon lamps also take a little while to reach full brightness after being turned on and require a separate ballast to operate. 3 LED (Light Emitting Diode) lights LED headlights use a series of ...

Brits over a certain age have been warned that being dazzled by LED headlights could result in serious issues if they do not ...

Usually, xenon flashes are brighter than the LED flashes found in most camera phones. However they cannot be used as video light and the condenser they use as a power source needs some time to ...