Swann Advanced-Series ADS-191 Audio Warning Security Camera (Black)

CMOS - Complementary metal oxide semiconductor

Black - A colour which does not emit any colour of the spectrum. Black absorbs all frequencies of the spectrum.

Camera - An electronic device used for taking photographs

Alarm - A device which emits a sound at a pre-set time/event

Audio - Also known as sound. An audible vibration wave which can be heard.

Vision - To be able to imagine, also can mean what you can see.

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