Th® NettVJedla MODEYE is a self contained camera and modulalot thai convert! the video signal to a selected television channel. It is powered over the same coax cable that returns the video broadcast signal for One Wire Video,v Installation. It mounts In a round 2.7 inch diameter hole and is viewed with a television tuner. Equipment that does not have a tuner, such as a security monitor, Quad display, or DVR. will require a demodulator (any IV tuner device with a composite video output such as a VCR) to convert the video for its use.