| 摘要 |
Device which is characterized in that it consists of a box 1 in which is arranged, in its exterior, a removable piece 2, which body is intimately connected to an electric-current switch 3 which initiates a device for producing a high-frequency sound, with loudspeaker 5, and also has a light output 4 and a further general switching outlet 6 may exist for initiating such an assembly, and an optional set of suction cups 7 placed, in particular, in the rear or dorsal part of the box. Applicable to warning of possible robberies. <IMAGE>
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