In The Instructions For Use (4), On The Handpiece / Packaging - W&H S-11 L G Instructions For Use Manual

Symbols on the handpiece / packaging
CE 0297
from the manufacturer
Thermo washer disinfectable
Sterilizable up to the
stated temperature
Catalogue number
Serial number
Date of manufacture
Data Matrix Code for
product identification, e.g.,
in hygiene/maintenance
process
UL Component Recognition
Mark indicates compliance
with Canadian and U.S.
requirements
5