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Amazon.com: Freezing Temp Alert, Freeze Warn Light: Flashes Below 42°F Available in Red OR Blue (Red) Batteries Included : Automotive
HomeSitter HS700E Freeze Alarm, Heat Alarm, Power Failure, Water Alarm Dialer - Alarms | Facebook Marketplace | Facebook
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Control Products Deluxe FreezeAlarm Custom Dual Temperature Power Alarm FA-D2 with Remote Switch and Aux. Input with voice message to 3 numbers / Quick Status Check
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