Know before they knock Arlo Video Doorbell is designed to capture what traditional video doorbells can\'t. Get notified when motion is detected and receive a call on your phone when your doorbell is pressed. See more at your front door. Capture a person from head to toe or a package on the ground with a front door-optimized 180° diagonal viewing angle and 1 1 ratio. Video call Arlo Video Doorbell calls your phone directly when your doorbell is pressed to ensure you never miss a visitor. Motion detection and; alerts Get notified when motion is detected and watch live-streaming video from your smartphone or tablet. More ways to answer Hear and speak to visitors with clear 2-way audio or respond quickly with pre-recorded messages. Arlo Video Doorbell Weather Resistant Security Built to withstand the heat cold rain or sun..   . Wired Video Doorbell installation Connect to your existing doorbell wiring. Arlo Video Doorbell requires a voltage between 16-24VAC to work. We advise hiring a certified electrician to install the transformer included in the box to deliver the correct power. Built-in siren Set the siren to sound automatically during an event or trigger it remotely. Get 3 months of Arlo Smart included Personalized notifications keep you informed of events that matter so you can take quick action - from phoning a friend to sounding an alarm. What\'s in the box - Arlo Video Doorbell . - Flat Mounting Plate . - Angled Mounting Plate . - Power Kit . - Screw Kit . - Security Latch Release Pin . - Wire Extensions . - Quick Start Guide. .