HD Video with HDR Motion Detection Night Vision 180° Viewing Angle 2-Way Audio Know before they knockArlo Video Doorbell camera is designed to capture what traditional video doorbells cant. 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 Doorbell180 Degree Viewing AngleFront Door Optimized 1:1 Aspect RatioTraditional Video DoorbellReduced Viewing Angle16:9 Aspect RatioVideo callArlo Video Doorbell calls your phone directly when your doorbell is pressed to ensure you never miss a visitor.Motion detection & alertsGet notified when motion is detected, and watch live-streaming video from your smartphone or tablet.More ways to answerHear and speak to visitors with clear 2-way audio, or respond quickly with pre-recorded messages.Arlo Video Doorbell: Weather Resistant Sec