Blink Video Doorbell + Sync Module 2 | Two-way audio, HD video, motion and chime app alerts, easy setup, weather resistant and Alexa enabled — wired or wire free (Black)

Answer your door any time and anywhere from your smartphone with 1080p HD day and infrared night video, and two-way audio.
Experience up to two years of powerful battery life, customised alerts, privacy settings and more.
Choose to save and share clips in the cloud with a free 30-day trial of the Blink Subscription Plan or locally with the Sync Module 2 and USB drive (sold separately).
Designed for every home, go wire free or connect to existing doorbell wiring to also sound your current in-home bell. Without wiring, you can use your Blink Mini camera (sold separately) as an indoor plug-in chime.
Set it up yourself within minutes, with the two included AA lithium batteries, and then connect to Wi-Fi using the app. The newly designed internal battery seal provides IP54 weather resistance rating.
Works with Alexa—access live view, two-way audio, receive motion and chime alerts, arm and disarm your doorbell, and more.
Includes: a Blink Video Doorbell, a Sync Module 2 and mounting kit (including corner mount, screws and fixings).