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Unfortunately, the Belkin NetCam HD+ had the lowest audio quality in our tests; it was unintelligible.home security for apartments
3. The photoelectric segment dominated the global market, occupying approximately 80% revenue in 2018. With changing technological trends, vendors are facing the challenge of selecting an apt sensor for their next generation smart detectors. Hence, the high efficiency of photoelectric sensors makes an optimal choice. Thus, vendors are continuously offering smart and advanced products. The smart smoke detector market by end user is classified into commercial, industrial, residential, educational institutions, and government.