Check the listing for details. New Blink Outdoor 4 Wire-Free Smart Security 3 Camera System Kit 4th Gen. Condition: New. Listed at 199.98 USD. Outdoor 4 is our fourth generation wire-free smart security camera that helps you protect your home inside 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 get up to two years of power with the included AA lithium batteries.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 — Choose to store events in the cloud with a free 30-day trial of the Blink Subscription Plan 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 three Outdoor 4 cameras, one Sync Module 2, six AA lithium metal batteries, three mounting kits, one USB cable, and one power adapter.