Asus TX201LA E-Manual page 16

Ambient light sensor
The ambient light sensor detects the amount of ambient light in
your environment. It allows the system to automatically adjust
the brightness of the display depending on the ambient light
condition.
Touch screen panel
This high-definition touch screen panel provides excellent
viewing features for photos, videos, and other multimedia files
on your ASUS Transformer Book Trio or tablet. It also allows you
to operate your tablet using touch gestures.
NOTE: For more details, refer to the Gestures for the touch screen
panel and touchpad section in this manual.
1 ASUS Transformer Book Trio E-Manual