Blink Outdoor 4 (newest model) + Battery Extension Pack — Four-year battery wireless smart security camera, two-way audio, HD live view, enhanced motion detection — Add-on cam (Sync Module required)

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 plus a USB drive (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 one Outdoor 4 camera, one Battery Extension Pack, six AA lithium batteries, and one mounting kit. (Required Blink Sync Module not included)