Keep Out! Door Alarm: Build Your Own Key-Card Security System!
Description:
The package contains everything you need to build a computerized talking door alarm.-22-page book filled with fascinating facts about security systems-2 key cards with stickers-Circuit board with components you connect yourself-just twist wires-CaseBurglars beware! The alarm voice declares "Keep Out!" before the siren sounds.Swipe the special key to turn your alarm on. Swipe the key again to turn it off!
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