Dell E2723H 27" Monitor - Manual (Page 17)

About your monitor │ 17
NOTE: This monitor is ENERGY STAR certified.
ENERGY STAR is a program run by the U.S. Environmental Protection Agency
(EPA) and U.S. Department of Energy (DOE) that promotes energy efficiency.
This product qualifies for ENERGY STAR in the “factory default” settings and this
is the setting in which power savings will be achieved.
Changing the factory default picture settings or enabling other features will
increase power consumption that could exceed the limits necessary to qualify for
ENERGY STAR rating.
For more information on the ENERGY STAR program, refer to energystar.gov.