Tested and works fine BUT it will need x4 new Rechargeable AAA Batteries as it won't be supplied with any.
Panasonic PNLC 1042 Twin Phone
Panasonic KX-PRW120E Twin Cordless Phone with Answer System & Smartphone Connect
Panasonic KX-TG8561E Twin Cordless Phone with Answering Machine
Panasonic KX-TG6821E Twin Cordless Phone with Answering Machine
Panasonic KX-TGJ320E Twin Cordless Phone with Answer Machine & Call Blocker
Panasonic KX-TG5521E Twin Cordless Phone with Answering Machine
