Here is a really cool "audible signal appliance" (known to most of us as an alarm or siren) that once served in a factory where it warned employees to get out in the event of a fire. The fixture consists of two parts: a main siren unit with wire leads, and a "audible signal appliance accessory" which you might refer to as a horn or megaphone -- it directs the sound.
New open box Sunkee Round 40x20mm / 1.57"x0..79" N38 Rare Earth strong magnet , 1 4/7" Diameter 4/5" Thickness Disc Neodymium Magnet Neodymium magnets are very strong. Handling them with care is necessary to prevent personal injuries, property damages and magnet damages. It's not a TOY!Make sure keep the magnets are out of reach children and pets.
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SpectrAlert Advance SBBCR Ceiling Mount Surface Mount Back Box Red 5031 Spectra Alert New old stock.Packaging may have minor wear or damage.Product is un-used and in new condition.
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