Blink Video Doorbell with modular ( store price 100$)

Amazon price 89$+ tax (around 100$) 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 30-day trial (at no cost) of the Blink Subscription Plan or store locally with a Sync Module and USB drive (sold separately). Designed for every home, go wire-free or connect to doorbell wiring to also sound your existing in-home chime. Without wiring, you can use your Blink Mini camera (sold separately) as an indoor plug-in 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.