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 ...
Probably the most important part of this well-illuminated clock is the light sensor ... [Bulduper] used ABS because the LED strip and the PCB might get a little warm; they didn’t want to ...
The ANSES report says that even limited exposure to blue light at night can disturb the circadian rhythm and impact sleep.