CEDIA 2015: Channel Vision Showcases It 9-Channel NVR, Available in 4, 9, or 16 ChannelsOctober 18, 2015 | Home / October 18, 2015 rave-video / CEDIA 2015: Channel Vision Showcases It 9-Channel NVR, Available in 4, 9, or 16 Channels CEDIA 2015: Channel Vision Showcases It 9-Channel NVR, Available in 4, 9, or 16 Channels