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

Answer your door no matter where you are from your smartphone with 1080p HD day and infrared night video and two-way audio.
Experience long-lasting battery life, custom alerts, privacy settings, and more.
Get alerts when motion is detected or someone presses Video Doorbell. Connect to existing doorbell wiring or pair with a Sync Module (sold separately) to engage live view and two-way audio on demand.