KEY FEATURES Important installation requirements - Wired doorbell and doorbell chime requires existing electrical wiring with voltage between 16V AC and 24V AC and a 10VA .Digital Zoom: 12x See more at your front door - Arlo's security front door camera and door security devices lets you see a person from head to toe or a package on the ground with 180-degree view. Get a clearer picture - HD with HDR quality footage from your video door camera ensures you see the details on your devices even...