I was playing around with some cheap CCTV microphone modules and managed to create a monophonic spy ear bug for common DVRs. They can be directly powered from the existing CCTV camera power supply ...

CP Plus CCTV cameras with a Wi-Fi control feature. It is a safety solution for your house, office, or living residence, and other industrial areas.

I dug into the laws and found exactly what you need to know about saving and using video clips on your home security camera, ...