Works with Alexa for voice control (Alexa device sold separately).Patented 100% Wire-Free design for easy placement anywhereNight vision cameras work even in the darkMotion activated cameras w/ Email or App notifications- Records and alerts only when motion is detected with 7 days of free rolling cloud storageIndoor/outdoor weather-resistant cameras. Battery life: 4 to 6 months, battery - lithiumThis is the standard Arlo camera, and the Arlo Pro is a separate productWorks with Amazon Alexa/Echo Show/Fire TV/Google Assistant - View your live video with a simple voice command. Works with IFTTT, Samsung SmartThings, and moreArlo 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)