Anello campanello 1a/2a generazione TO campanello 2,3,4, PIÙ kit retrò montaggio adattatore
UPGRADING FROM A RING DOORBELL 1ST OR 2ND GENERATION MODEL TO DOORBELL 2,3,4,PLUS PRO ADAPTER MOUNT BRACKET. This MOUNT Will Fit The FAT VERSION RING VIDEO DOORBELL 2/ 3/ 3+ & 4 PLUS see photo 2 for compatible.