Arlo Essentials 2K Video Doorbell (2nd Generation)without losing clarity. Receive notifications when motion is detected and live stream from your smart device. Speak to visitors with 2 way audio from your phone or use pre recorded quick reply messages. Or trigger the integrated siren automatically, or manually from the Arlo Secure App to ward intruders. See whos at the door during the day or in low light with night vision. See a person from head to toe or a package on the ground. Key Features 2K HDR