The purpose of the present invention is to avoid risk, provide a place for assistance which can be relied upon during manmade or natural disasters, and effectively prevent crime and illicit dumping of garbage on darkened nighttime streets, etc. By disposing on a support column a means for receiving a signal wave which is emitted from a portable transmitter, operating a siren, a rotating red light, or a streetlight, and issuing a notification to the vicinity of an emergency, it is safe for women or children to walk on roads at night, and illicit dumping of garbage on roads at night may also be prevented. Through the remarkable progress of IT, multi-function devices can be achieved at low cost such that a technology which emits signal waves from portable transmitters and controls streetlight devices can be achieved at low cost and have widespread use. Accordingly, upon receiving an alert signal with this disaster/crime prevention light system, a preinstalled siren, rotating red light, or streetlight operates and issues a notification to the vicinity of an emergency.
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