Know before they knock. Arlo Video Doorbell cameras are 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. Arlo Video Doorbell: 180 Degree Viewing Angle, Front Door Optimized 1:1 Aspect Ratio. Traditional Video Doorbells have a Reduced Viewing Angle and 16:9 Aspect Ratio. Video call: Arlo Video Doorbell calls your phone directly when your doorbell is pressed to ensure you never miss a visitor. Motion detection & 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. Design Certification: CE. Product colour: Black, White. Features: Smartphone/tablet remote support: Yes. Weatherproof: Yes. Ultraviolet (UV) resistant: Yes. Motion sensor detection angle: 110°. Motion sensor: Yes. Built-in microphone: Yes. Connection type: Wireless. Camera SIP video calling: Yes. Infra-red wavelength: 850 nm. Night vision: Yes. Digital zoom: 12x. Viewing angle: 180°. Aspect ratio: 1:1. Video resolutions: 720 x 720, 1080 x 1080, 1536 x 1536. Maximum video resolution: 1536 x 1536 pixels. Power Input voltage: 16 - 24 V. Power source type: AC. Operational conditions: Operating temperature (T-T): -20 - 45 °C. Technical details: Commodity Classification: Automated Tracking System (CCATS) 8525890000. Logistics data: Country of origin: Vietnam. Weight & dimensions: Weight: 249 g. Height: 143 mm. Depth: 37 mm. Width: 47 mm. Packaging data: Package weight: 584 g. Package height: 80 mm. Package depth: 203 mm. Package width: 157 mm. Packaging content: Quantity: 1. Mounting kit: Yes. Screws included: Yes. Quick start guide: Yes. Cables included: AC Essential Video Doorbell Wire-Free. Product Video.