LG IPS224T 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 eficiency.