Meet ATOM: a smart home security robot that auto-tracks intruders and lets you yell at them from your smartphone. It features face detection, 2-way audio, motion/audio detection, encryption, and day/night tracking. 10-second video alert is available under premium plans.
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The camera tracks moving people and takes full 1080p video. It lets you define custom activity zones. You can find out more about it on Kickstarter.