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I Hear You Knocking

Swann videophoneAs every school shooting proves, you need to know who’s at the school’s doors and limit access. At $150, Swann’s Doorphone video intercom does it on the cheap. The audio-video intercom combines a video camera installed near the door and a remote 3.5-inch color screen to see who’s there with a two-way audio intercom. It works in bright sunlight as well as in the dark and comes with 50-feet of cabling as well as mounting hardware.

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