Blink Outdoor 4 (newest model) + Battery Extension Pack Four-year battery wireless smart security camera, two-way audio, HD live view, enhanced motion detection 5 camera system

Outdoor 4 is Blink's fourth generation wireless smart security camera that helps you protect your home inside and out right from your smartphone.
Four-year battery life Extend the battery life of Outdoor 4 up to four years with standard use for reliable peace of mind.
See and speak from the Blink app Experience 1080p HD live view, infrared night vision, and crisp two-way audio.
Enhanced motion detection Be alerted to motion faster from your smartphone with dual-zone, enhanced motion detection on Outdoor 4.
Person detection Get alerts when a person is detected by your Outdoor 4 camera with embedded computer vision (CV) as part of an optional Blink Subscription Plan (sold separately).
Save and share clips Choose to store events in the cloud with a free 30-day trial of the Blink Subscription Plan (sold seperately) or locally with the Sync Module 2 (included) plus a USB drive (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 2, thirty AA lithium batteries, five mounting kits, one USB cable, and one power adapter.