CIVIL JOINT DEFENCE WARNER WITH MULTI-UNIT

The utility model relates to a civil joint defense warner with multi-unit, comprising a power, many sets of control circuits and a sounder circuit. Each group of circuits is connected with the power in parallel, the control circuit has an intermediate relay, a normally-closed contact of the self-latching relay, a plurality of defense contacts, an anti-theft control lock and an emergency call for help button, etc. The sounder circuit respectively has an intermediate relay contact, a self-latching relay, a sounder integral chip and sounder elements. The alarm device has joint defense function, the utility model can alarm and as well can call for help at anti-theft, anti-disaster and anti-accident aspects, and the utility model is a dependable defense system.