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Digital wireless camera. Wireless security cameras are closed-circuit television (CCTV) cameras that transmit a video and audio signal to a wireless receiver through a radio band. Many wireless security cameras require at least one cable or wire for power; "wireless" refers to the transmission of video/audio.
His work is made of found materials such as magazines, postcards, newspapers and books. Source materials are transformed through minimal actions such as folding or puncturing done repeatedly and systematically. [2]