A glass sensor is useful in case you are worried about an intruder breaking glass to enter a building. Sometimes a security breach can take place where a window is not forced open, but broken instead. In that case a contact sensor may not detect a break in.
ERAY ZD-01 Wireless Window/Door Vibration/Glass Break Sensor for ERAY Home Security Alarm Systems
Was:
$61.88
Now:
$30.94
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ERAY ZD-01 Wireless Window/Door Vibration/Glass Break Sensor for ERAY Home Security Alarm Systems
- SKU:
- TB115481
- UPC:
- 712809851270
- Condition:
- New
- Availability:
- Free Shipping from the USA. Estimated 2-4 days delivery.
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$87.88
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