Blink Outdoor 4 (4th Gen) + Blink...

Pair Out of doors 4 with Mini for coverage in and out.
Out of doors 4 is Blink’s fourth generation wire-free smart security camera that helps you give protection to your own home in and out right from your smartphone.
See and speak from the Blink app — Experience 1080p HD live view, infrared night vision, and crisp two-way audio.
Two-year battery life — Set up yourself in minutes and rise up to two years of power on your Out of doors 4 camera with the included AA lithium batteries.
Enhanced motion detection — Be alerted to motion faster from your smartphone with dual-zone, enhanced motion detection on Out of doors 4.
Person detection — Get alerts when a person is detected by your Out of doors 4 camera with embedded computer vision (CV) as a part of an optional Blink Subscription Plan (sold one after the other).
Save and share clips — Select to store events in the cloud with a free 30-day trial of the Blink Subscription Plan or in the neighborhood with the Sync Module 2 (included) plus a USB drive (sold one after the other).
Works with Alexa — Connect to an Alexa-enabled device to engage live view, arm and disarm your system, and more the usage of your voice.
Includes four Out of doors 4 cameras, one Mini camera (black), one Sync Module 2, eight AA lithium batteries, four mounting kits, two USB cables, and two power adapters.