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

• Answer your door anytime, 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, custom 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 included Sync Module 2 and USB drive (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, one Sync Module 2, and mounting kit (including corner mount, screws, and anchors).