Blink Video Doorbell + 1 Outdoor 4 smart security camera (4th Gen) with Sync Module 2 | Two-year battery life, motion detection, two-way audio, HD video, Works with Alexa

Answer your door from anywhere with Video Doorbell and help offer protection to your home inside and outside with our wire-free Out of doors 4 smart security camera.
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 each device with the included AA lithium batteries and Sync Module 2.
Enhanced motion detection with Out of doors 4 — With our all-new Out of doors 4, enjoy a wider field of view and be alerted to motion faster with dual-zone, enhanced motion detection.
Save and share clips — Make a selection to store events in the cloud with a free 30-day trial of the Blink Subscription Plan or in the neighborhood with the included Sync Module 2 and USB drive (sold one by one).
Designed for each home — Wire Video Doorbell to sound your existing in-home chime or go wire-free with in-app chime alerts. You’ll be able to even use Blink Mini (sold one by one) as an indoor plug-in chime.
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 one Video Doorbell, one Out of doors 4 camera, one Sync Module 2, four AA lithium batteries, two mounting kits, one USB cable, and one power adapter.