In 2020, the global door phone market was estimated to be worth $3.95 billion. The increased demand for safety devices such as door phones is being driven by rising safety concerns in both residential and commercial settings as a result of unauthorized entry. It not only increases home security but also gives a lot of convenience when used in conjunction with an access control system. This device can be used to link multiple households together to function as an intercom and a safety device, saving money on the cost of installing and maintaining multiple devices.
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