The report provides detailed estimates of market sizes in 2021 and forecasts for 2022–26 for the Americas, China, EMEA (Europe, Middle East, and Africa), and Asia & Oceania regional markets for audio and video door phones.
The Analyst Team

Tommy Zhu
Senior Analyst, Physical Security
Tommy is a leading analyst responsible for the APAC video surveillance market. His research interests include cloud, storage, video IoT, big data, etc. Tommy travels regularly around regional markets such as China, Oceania, and Southeast Asia to research the markets and provide his latest insights to the security industry.
Tommy joined the company in March 2018 and is currently based in the Shanghai office. Prior to joining the company, Tommy worked with manufacturers and system integrators in the broadcasting and television industry and in ICT project implementation and management roles for several years. He holds an MBA from the University of Georgia in the US and a Bachelor of Engineering in automation engineering from the Communication University of China.
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