All you need to know about CCTV -Terms and Definitions!

CCTV terms are a must-know for every professional in this field, so we decided to gather all possible information in one article for all, who may be interested in the topic. A AC Adaptor Ac Adaptor is also called a power supply. All CCTV devices need power for working. Each device has its own power requirements (usually 12 volts with...
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