is compatible with all Blink devices, however extended range (XR) functionality is only supported for Blink Outdoor 4 and Outdoor 4 Floodlight cameras.
Up to 10 devices can be added to one Sync Module XR, with a maximum of two devices using the XR functionality. Up to two Sync Module XRs can be used per Blink account.
XR mode supports up to 720p video resolution, while XR+ mode supports 360p video resolution and disables two-way audio. Range estimates are measured through one exterior wall and performance may vary due to environment or other factors.