Dell UltraSharp 27 User Manual page 8

• The Monitor allows multiple monitors that are daisy chained via DisplayPort to
synchronize a pre-defined group of OSD settings in the background by Multi-
Monitor Sync (MMS).
• Premium Panel Exchange for peace of mind.
• Optimize eye comfort with a flicker-free screen and low blue light feature to
minimizes hazard blue light emission.
• This monitor uses a low blue light panel. When the monitor is reset to factory
settings or default setting, it is in compliance with TÜV Rheinland's hardware low
blue light certification.*
Blue light ratio:
The ratio of light in the range from 415nm-455nm compared to 400nm-500nm shall
be less than 50%.
Category
1
2
3
• Decreases the level of hazard blue light emitted from the screen to make viewing
more comfortable for your eyes without distortion of color accuracy.
• The Monitor adopts Flicker-Free technology, which clears the eye visible flicker,
brings comfort viewing experience and preventing users suffer from eye strain and
fatigue.
* This monitor is in compliance with TÜV Rheinland hardware low blue light
certification under Category 2.
WARNING: The possible long-term effects of blue light emission from the
monitor may cause damage to the eyes, which includes but is not limited
to eye fatigue and digital eye strain. ComfortView Plus feature is designed
to reduce the amount of blue light emitted from the monitor to optimize
eye comfort.
8 | About your monitor
Blue light ratio
≤20%
20% < R ≤ 35%
35% < R ≤ 50%