New, Hispec Fast Fix Mains Smoke Detector's meet all of the industries Fire & Safety regulations. Interconnect up to 20 wired detectors throughout the building. This link allows all of the connected detectors to sound a loud 85db alarm at the same time! Fast Fix base making this a very popular product for the installer - Built in Test and hush feature - 9v Battery Backup included in the event of a power cut.
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