Blink Outdoor XR+ 4 camera and Wired 2K Doorbell

Up to 10x beyond Wi-Fi range — Place Outdoor 4 cameras (sold separately) up to 800 ft away from your Sync Module XR+ with some trees or structures in the way, or up to 2,700 ft with a clear line of sight. Range will vary based on obstructions and interference; resolution reduced at longer ranges.
Maximize range — Place Sync Module XR+ outdoors, 9ft or higher, and line of sight to cameras with the Blink Weather-Resistant Power Adapter (sold separately).
Faster live view where wifi is spotty — XR technology runs on the 900MHz band, avoiding typical wifi congestion, and unlocking up to 20% quicker access to live view in areas where your wifi signal is poor.
Experience a more reliable connection — Cameras using XR technology have up to 70% fewer disconnects in areas with poor wifi signal strength.
Get two-year battery life for Outdoor 4, even at long range — Blink's patented chip technology unlocks up to two years of battery life when used with a Sync Module XR+ and Energizer Lithium AA batteries (both included).
Save and share clips — Choose to store events conveniently in the cloud with a free 30-day trial of a Blink plan (sold separately) or locally with the Sync Module XR+ and a MicroSD card (up to 256 GB – sold separately).
Put home in your hands — Control up to 10 Blink devices from the Blink app making it easy for you to arm, disarm, and use a group of your cameras together.
Works with Alexa — Connect to an Alexa-enabled device to engage live view, arm and disarm your system, set motion-trigger routines from long-ranges, and more using your voice.
Includes four Outdoor 4 cameras, one Wired Doorbell 2K+, one Sync Module XR+, eight AA Energizer lithium batteries, four Outdoor 4 camera mounting kits, one doorbell mounting kit, one USB-C cable, and one power adapter. Blink MicroSD card for local storage sold separately.