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A more advanced form of CCTV, utilizing digital video recorders DVRs, provides recording for possibly many years, with a variety of quality and performance options and extra features such as motion detection and email alerts. More recently, decentralized IP cameras, perhaps equipped with megapixel sensors, support recording directly to network attached storage devices, or internal flash for completely stand alone operation. The earliest video surveillance systems involved constant monitoring because there was no way to record and store information. The development of reel to reel media enabled the recording of surveillance footage. These systems required magnetic tapes to be changed manually, which was a time consuming, expensive and unreliable process, with the operator having to manually thread the tape from the tape reel through the recorder onto an empty take up reel. Due to these shortcomings, video surveillance was not widespread.small business security cameras
By end user, the market is segmented into residential, industrial, and commercial. Regional analysisThe global market for smart smoke detector is estimated to grow at a significant rate during the forecast period from 2018 to 2023. The geographical analysis of smart smoke detector market is studied for North America, Europe, Asia Pacific, and the rest of the world including the Middle East, Africa, and Latin America. North America dominated the smart smoke detector market owing to increased instances of fire hazards in the US. Moreover, the region has a developed infrastructure and with the advancements in Internet of Things, the demand for smart devices in premises has been observed. Europe is the second dominating region in the smart smoke detector market.