Topic The former residential fire alarm (simple expression) with, the first floor and the second floor etc (the room which is far) the problem, discovery with such as time music appreciation of sleep retarded is solved.SolutionsSending and receiving function (the infrastructure) configuration switch full color LED it augmented in the computer, configurated the color of the configuration switch individually optionally, fire original configuration color by another fire alarm color development (the fire origin color display) and alarm tried to be able to point with alarm. It can obtain the sufficient effect without wiring and the complicated device jointly using. Choice figure Drawing 1
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