Several home security device announcements were made at Amazon's event in New York today, but none received more stage time (and applause) than the Blink Arc, a $100 dual security cam setup consisting of two small Blink Cams fixed to a single base.

The stationary camera feeds are stitched together to deliver one 180-degree panoramic view of your yard and property. No multicam installation or pan-tilt is required (though a Blink Subscription Plus plan is).

Amazon's new $100 Arc uses two fixed cameras, stitched together in a single feed for a full 180-degree view of your property. David Watsky/CNET

While the brand is calling it a "new invention" in home security, other home security cameras offer panoramic views via a dual-cam system that records video and stitches it together into one

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