Key Features . Instant mobile alertsZone motion detection alerts (100 degree detection angle)Live view on-demand video and audioInfra-red night vision2 way audioCamera definition 1080HDWeather-resistant design180 degree (wide-angle) field of viewBuilt in smart siren . Keep Your Front Door Secure 24/7. 100% Wire-Free. Monitor your home from anywhere in crystal-clear 1080p HD video and see and communicate with visitors. Using the Arlo app (iOS and Android) on your smart device you can receive notifications when someone presses the doorbell. You can also talk directly to the visitor from your device listen to messages visitors leave and select a response from pre-recorded messages. See 25% more than any other doorbell Capture the full picture in clear detail from a person\'s face to package on the ground. The fastest way to see who\'s at your door Find out who\'s at your door faster with the only video doorbell to call your mobile directly (SIP calling) no need to wait for an app to open simply swipe to answer Flexible Power Install yourself using the rechargeable battery or have it wired into the mains by a professional. Night Vision Get a clear picture of who is at your door even in the dark with crisp night vision. Connect Direct to Wifi No base station required – simply connect to your 2.4Ghz wifi network. Two-way Audio Hear and speak to visitors via your smartphone through the built-in speaker and microphone. Direct Phone Call Receive a direct call to your phone when the bell is pressed so you can see and speak to whoever is there – whether you’re at home or away. Google home and; Alexa Connect the Essential Doorbell to your Amazon Alexa or Google Home to announce when the bell is pressed. What\'s in the box? . (1) Arlo Essential Video Doorbell Wire-Free (AVD2001)(1) Rechargeable Battery(1) Battery Charging Cable(1) Flat Mounting Plate(1) Angled Mounting Plate(1) Screw Kit(1) Release Pin(1) Wire Extensions(1) Quick Start Guide. .