LG 24BK550Y Owner's Manual page 29

Make sure to read the Safety Precautions before using the product.
Keep the Owner's Manual (CD) in an accessible place for future
reference.
The model and serial number of the SET is located on the back and
one side of the SET. Record it below should you ever need service.
MODEL
SERIAL
ENERGY STAR® is a set of power-saving guidelines
issued by the U.S.Environmental Protection Agency
(EPA).
As an ENERGY STAR® Partner LGE U. S. A.,
Inc. has determined that this product meets the
ENERGY STAR® guidelines for energy efficiency.
Refer to ENERGYSTAR.gov for more information on the ENERGY
STAR® program.