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uxcell N.C. Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed White HC34A : Amazon.ca: Tools & Home Improvement
WiFi Door Sensor, TESSAN Smart Window Contact Sensor Compatible with Amazon Alexa, Google Assistant, No Hub
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WiFi Door Sensor, TESSAN Smart Window Contact Sensor Compatible with Amazon Alexa, Google Assistant, No Hub
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WiFi Door Sensor, TESSAN Smart Window Contact Sensor Compatible with Amazon Alexa, Google Assistant, No Hub Required, Sends Alerts, Wireless Remote Alarm, Programmable with Smart Life Devices
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Door Chime, METAK Wireless Door Open Contact Sensor Alarm with 500 FT Range, 58 Chimes and 5 Volume Levels for Business/Store/Home/Office When Entering, 1 Transmitter + 1 Plug-in Receiver
