To enhance crime prevention effects by a sensor light by enabling a user performing his own intimidating operations such as outputting live voice from an indoor telephone or an outdoor telephone, flickering the sensor light with the tone signal of the telephone by remote control, or generating warning sound, when the human body sensor of the sensor light detects an invader.

The slave unit function 22 of a cordless telephone is incorporated in this outdoor type sensor light 1 equipped with a crime prevention function to light a lighting fixture 17 or generate warning sound at night through a control part 21 if existence of the human body is detected within a predetermined range. Thereby, automatic call to the outside telephone 32 having the telephone number of an emergency call destination which is memorized in advance by an outside line telephone number memorizing part provided in a cordless master unit 30, and two-way communication between the outside telephone 32 or the cordless master unit 30 and the sensor light 1 side slave unit 22 are made possible.

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