Compatible with Blink Outdoor 4 wire-free smart security cameras and Outdoor 4 floodlight cameras (both sold separately) Allows placing two Blink Outdoor 4 cameras up to 76.2m (250ft.) away or up to 121.9m (400ft.) away from your home in XR+ mode (video resolution may vary), for a full view of your property Designed with advanced extended range functionality to broaden coverage for Blink Outdoor 4 cameras Control up to 10 Blink devices through the Blink app to easily arm, disarm, and use a group of cameras together Store events in the cloud with a Blink subscription plan or locally with the Sync Module XR and a microSD card (sold separately) Pack includes one Sync Module XR, one USB-C cable, and one indoor power adapter