The L1 WiFi Leak and Freeze Detector sends you alerts when it detects a water leak via the sensor cable or when temperature or humidity levels are out of the set range. Let First Alert's technology provide you with added peace of mind.

Last updated: 20/08/24

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home safety

freeze detector

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First Alert L1 Leak & Freeze Detector

First Alert

First Alert L1 Leak & Freeze Detector

First Alert

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