An overwhelming majority of handheld devices these days have ambient light sensors built into them. A large percentage of TVs and monitors do, too, and that proportion is growing. The sensors allow ...

Automate dark and light mode based on your surroundings.

The ambient light sensor on your Dell business laptop adjusts the brightness of your screen according to light intensity picked up from the room. In a brightly lit office, the ALS increases the ...

The built-in ambient light sensor in some Asus laptops detects the light level in an area and automatically adjusts the screen's brightness. But if you're giving a presentation or trying to conserve ...