The name on the label wasn't a model number. It was her name. The device had been waiting for her specifically. And by trying to disable it, she had completed a circuit—not to stop an alarm, but to enable something else.
To disable the alarm on a Nako NA-613D Go to product viewer dialog for this item. nako na-613d disable alarm
Mang Tino called his brilliant but impulsive niece, Nako. "Nako," he said, wiping his brow. "This NA-613D is a beast. One wrong move, and it shouts to the heavens." The name on the label wasn't a model number