Blink Outdoor 4 + Battery Extension Pack Four-year battery wireless smart security camera, HD live view, enhanced motion detection 5 camera system + Battery Extension Pack

Get more power with Outdoor 4 + Battery Extension Pack and the included Sync Module Core, which provides up to four years of powerful battery life.
See and speak from the Blink app Experience 1080p HD live view, infrared night vision, and crisp two-way audio.
Four-year battery life Extend the battery life of Outdoor 4 up to four years with standard use for reliable peace of mind.
Enhanced motion detection Be alerted to motion faster from your smartphone with dual-zone, enhanced motion detection.
Person detection Get alerts when a person is detected with embedded computer vision (CV) as part of an optional Blink Subscription Plan (sold separately).
Save and share clips Securely store your footage in the cloud with a free 30-day trial of a Blink Subscription Plan. You can also back it up locally with a Sync Module XR and a MicroSD card (up to 256 GB each sold separately).
Works with Alexa Connect to an Alexa-enabled device to engage live view, arm and disarm your system, and more using your voice.
Includes five Outdoor 4 cameras, five Battery Extension Packs, one Sync Module Core, thirty AA Energizer lithium batteries, one mounting kit, one USB-C cable, and one power adapter.