Connects to compatible devices via 3G, 4G, 4G LTE or Bluetooth; Split-Spectrum, ionization and photoelectric sensors; Nest app (download required); mounting hardware included

Smart security that is designed for every home. Set up in minutes, and receive notifications from the app whenever a visitor presses your Video Doorbell or motion is detected. You can also choose to wire it to sound your existing home chime. Blink Video Doorbell lets you answer your door no matter where you are. Receive customizable alerts right from the Blink Home Monitor app, and experience helpful features like HD day and night video and two-way audio. Best part – Blink’s long-battery life technology provides peace of mind for up to two years.