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What is the use of IR in CCTV camera?

Infrared (IR) technology in CCTV cameras enables night vision by emitting invisible IR light, which the camera sensor detects. This allows surveillance in total darkness, with ranges varying from 30 to 200 meters depending on the IR LEDs and lens …

Can a CCTV camera work without light?

Short Answer: Yes, CCTV cameras can operate without visible light using infrared (IR) night vision, thermal imaging, or low-light sensor technologies. IR cameras emit invisible infrared light to illuminate dark areas, while thermal models detect heat signatures. However, image quality …