Works with Alexa for voice control (Alexa device sold separately)100% Wireless Camera - Free of power cords and wiring hassles. Operating temperature 32 degree to 122 degree Fahrenheit1080p HD Wireless security camera system with night vision - High quality video with sharper and brighter details. Night Vision turns on automatically in low light so you can see clearly, even in the darkFlexible Powering Options - Use wire-free, plugged in. Rechargeable battery. Night vision : 850 nm LEDs: illuminates up to 25 feet. IR cut-off filterWeather-resistant - Arlo Pro cameras are weather-resistant so you can place them indoor or outdoor.Video Capture Resolution : Configurable up to 1280 x 7207 Days of Free Cloud Recordings - Arlo Pro comes with recurring 7-day free cloud recordings. Live stream or view recorded video and audio for up to 7 daysWorks 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)