| 摘要 |
An anti-theft device includes a sensing device for attaching to an entrance of a house building and for sensing whether the entrance of the house building is pried by an unauthorized person or not, and a counterattacking device for counterattacking the unauthorized person when the unauthorized person breaking the entrance of the house building. One or more containers may receive an attacking agent and a pumping device may pump the attacking agent out of the container via one or more nozzles which may be rotated by a rotating device, an agitating device may agitate the attacking agent received in the container. A receptacle may be attached to the house building for supporting the container.
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