I purchased this from Costco with 5 cameras less then 5 months ago for over 900.00 1080p full HD 100% wire-free Free of power cords and wiring hassles Weatherproof Put Arlo anywhere indoors or out Rechargeable battery Easily charge your batteries anytime to stay protected 2-way audio Listen in or talk back and forth Siren extremely loud 100+ decibel siren that can be controlled remotely Free cloud recording Rolling 7 days of free cloud recordings Explore upgrade options Mobile alerts Instant alerts is motion or sound is detected right to smart phone or computer Night vision See what's happening even in the dark Scheduling Set automatic monitoring on your schedule Local backup Connect a USB drive to the base station for local video backup Full 1080p HD quality Enjoy incredibly sharp, detailed video Geofencing Set your cameras to arm/disarm based on location