Panasonic KX-HNH100FX Operating Instructions Manual page 56

For your future reference
We recommend keeping a record of the following information to assist with any repair under
warranty.
Serial No.
(found in the handset battery compartment)
Name and address of dealer
© Panasonic Corporation 2016
Attach your purchase receipt here.
Date of purchase
PNQP1175XA
CC0216WK2126