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

Pair Outside 4 with Mini for coverage inside and outside.
Outside 4 is Blink’s fourth generation wire-free smart security camera that helps you give protection to your house inside and outside 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 stand up to two years of power on your Outside 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 Outside 4.
Person detection — Get alerts when a person is detected by your Outside 4 camera with embedded computer vision (CV) as a part of an optional Blink Subscription Plan (sold one by one).
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 by one).
Works with Alexa — Connect to an Alexa-enabled device to engage live view, arm and disarm your system, and more the use of your voice.
Includes eight Outside 4 cameras, one Mini camera (black), two Sync Module 2 hubs, sixteen AA lithium batteries, eight mounting kits, three USB cables, and three power adapters.