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wireless alarm system

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wireless alarm system

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... Parameter It is a complete wireless alerting system that notifies deaf and hearing impaired persons of important signals and alarms at home With ... 2024-12-09 10:47:48
...Wireless Gas Detector, Sized 120 x 75 x 42mm, 433/315MHz Frequency Main Parameter Features: Suitable for any room Excellent reliability and high... 2024-12-09 10:47:48
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