Ubiquiti G4 Doorbell Pro PoE Gang Box Mount Description_ Secure, flat or angled mounting plate for installing the G4 Doorbell Pro PoE over a standard single-gang box. SKU_ UACC-G4 Doorbell Pro PoE-Gang Box Tech Specs_ Click Here Installation Guide_ Click Here Feature_ •Allows secure installation on both old-work and new-work single-gang boxes •Includes flat and 25° angled wedge mounting options •Compatible with G4 Doorbell Pro PoE