Introducing Blink Video Doorbell + 2 Outdoor camera system with Sync Module 2 | Two-way audio @ $124
Alex Francis 
Video Doorbell helps you welcome visitors and keep an eye on your door while our wire-free Outdoor camera can be placed anywhere you need it. Together, they provide full home coverage with features like two-year battery life, two-way audio, 1080p HD day and infrared night video, custom alerts, privacy settings, and more.
See visitors day or night with HD video and talk to them any time using two-way audio through the free Blink Home Monitor app.
Choose to save and share clips in the cloud with a free 30-day trial of the Blink Subscription Plan or locally with the included Sync Module 2 and USB drive (each sold separately).
Designed for every home, go wire-free or connect to existing doorbell wiring to also sound in-home chime.
Set up yourself in minutes with the two included AA lithium batteries then connect to wifi in the app.
Works with Alexa — access live view, two-way talk, receive motion and chime alerts, arm and disarm your doorbell, and more.
Includes one Video Doorbell, two Outdoor cameras, one Sync Module 2, and mounting kit including corner mount, screws, and anchors.
