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Watch this video if you dare! The System Sensor SpectraAlert Advances are known as one of the most ear screeching alarms on the market. I talk about why I personally believe these alarms are great for most buildings.
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Grant (this is my other channel, subscribe to see some wild wilderness adventures):
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Check out my eBay account! Here, I sometimes sell alarms seen in my videos: www.ebay.com/u... .
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12/29/2020 UPDATE
Get fire alarms for hobby usage:
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