Below is a group product of Quad &Multiplexer.
Product List
QC-908R:
8CH Color Quad/Alarm/PIP/DC 12V/With Remote controller/With Power Adaptor
[Last Updated: 2009-10-22]
16CH Color Multiplexer/Alarm/PIP/DC12 V /PAL/With Power Adaptor/PAL only
[Last Updated: 2009-10-22]
QC-904R:
4CH Color Quad/Alarm/PIP/DC 12V/With Remote controller/With Power Adaptor
[Last Updated: 2009-10-22]