https://www.bit-cctv.com/products/camera-housing-enclosure/ The constantly evolving software-defined network market provides new development opportunities for the global network surveillance market. MarketsandMarkets, the world's second-largest market research institution, recently released a report that the global network surveillance market was valued at US$1.67 billion in 2017, and the global network surveillance market in 2018 was approximately US$1.82 billion. Due to the gradual increase in network complexity and security issues, it is estimated that by 2023, the market size will reach 2.93 billion US dollars. The compound annual growth rate (CAGR) during the forecast period (2018-2023) is 9.9%.