● Works with Alexa for voice control (Alexa device sold separately).● Stream live video 24/7 and watch past recordings in sharp 1080p HD resolution from anywhere in the world using your smartphone, tablet, or computer● Save on expensive subscription fees with FREE cloud storage that lets you view, share, and download recordings from the past 7 days at no cost. No contract required.● Receive instant alerts on your mobile phone whenever motion or sound is detected. Wifi Range-300 feet line of sight● Built-in mic and speaker enable two-way communication so you can listen in and talk back.Field of view:130 degree● Enhanced night vision capability lets you see clearly even in total darkness● Arlo Smart adds powerful intelligence to your Arlo cameras. Customize alerts to detect people, specific zones, and contact emergency responders right from your smartphone’s lock screen (optional service, includes 1-month trial)