Compare Blink Wired/Wire-Free Video Doorbell with Sync Module 2

Answer your door anytime, anywhere from your smartphone with 1080p HD day and infrared night video and two-way audioExperience up to two years of powerful battery life, custom alerts, privacy settings, and moreDesigned for every home, go wire-free or connect to existing doorbell wiring to also sound in-home chimeSet up yourself in minutes with the two included AA lithium batteries then connect to wifi in the appWith Alexa voice control, you can access live view, two-way talk, receive motion and chime alerts, arm and disarm your doorbell, and do moreChoose to save and share clips in the cloud with a 30-day trial (at no cost) of the Blink Subscription Plan or store locally with a Sync Module and USB drive (sold separately)