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Dahua ASF921Manual alarm, breakable front panel, door opening function.Fire-alarm systems / Manual transmitters / OthersEnd user price - Reseller price- Manual signal for door opening. - Breakable front panel. - Built-in lightning protection. - Operating temperature: -30°C to +60°C. - Operating humidity: 0% - 95%. - Dimensions: 86 x 86 x 50 mm. - Weight: 200 g. |