LG Pra.L BLJ1 Owner's Manual page 16

16 Safety Information
y Do not make direct
eye contact with
LED light when
devices with LED is in
operation. Excessive
exposure to light can
cause eye damage.
y Before use, please
remove the precious
metal parts that this
unit touches.
y Do not use when
medical electronic
device such as
medical monitoring
equipment is
nearby or if you
have implanted an
electronic devices
such as cardiac
pacemakers.