Arlo Pro takes the worrying out of life with the 100% Wire-Free indoor/outdoor home monitoring system. Arlo Pro includes rechargeable batteries, motion and sound-activated alerts, 2-way audio, a 100+ decibel siren, and 7 days of free cloud HD video recordings. Arlo covers every angle to help keep you safe and protected. 100% Wire-Free Free of power cords and wiring hassles. Arlo Smart - Rich notifications and customization Arlo Smart adds intelligence to your Arlo cameras to give you a more personal and purposeful home security experience. Customize alerts to detect people, configure specific activity zones, and contact emergency responders right from your smartphone s lock screen. 1080p HD Watch and record crisp HD video. Rechargeable Easily charge your batteries anytime to get uninterrupted security monitoring. Weather-Resistant Put your camera anywhere, indoors or out. 2-Way Audio Listen in or talk back through the built-in speaker and mic, straight from your smartphone. Night Vision Turns on automatically in low light so you can see clearly, even in the dark. Mobile Alerts Get instant notifications sent to your smartphone or email if motion or sound is detected. Activity Zones Define areas in your camera's view where you want to receive motion and sound alerts. Feature is available when the camera is plugged in. Free Cloud Storage Don't pay for cloud storage you don't need. No subscriptions necessary. Arlo Basic plan comes with rolling 7-day cloud recordings. Live stream or view recorded video and audio for up to 7 days from the Arlo app. Included Base Station Attach an external hard drive to locally store your recorded videos. Mountable design For optimal placement on a wall.