Includes three Outdoor 4 cameras, one Sync Module 2 kit, two AA lithium metal batteries, one mounting kit, one USB cable, and one power adapter See and speak from the Blink app. Experience 1080p HD live view, infrared night vision, and crisp two-way audio Set up yourself in minutes and get up to two years of power with the included AA lithium batteries 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) Choose to store events in the cloud with a 30-day trial of the Blink Subscription Plan or locally with the Sync Module 2 and 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