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Sensors 
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Environmental Sensors 
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Audio Sensors (2)
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Temperature / Freeze (32)
Water Leak / Flood (20)
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HAI : OmniPro II (2)
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Environmental sensors can work alone or with your security system to provide an instant alert in the event of a problem, including a water leak, an unexpected temperature change, or the presence of smoke or carbon monoxide. Shop by sensor type or compatibility.

Why Buy From Smarthome? $8.95/month alarm monitoring
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