DS-7204/7208 / 7216HW-SH network DVR? WD1 all channels to support real-time encoding? Support up to 16 simultaneous playback, dual-stream? Support 4-way audio Introduction DS-7800HW-EX / C Series Embedded Network DVR Hikvision is the latest self-developed cost-effective network DVR. It combines a number of IT and high technologies, such as video codec technology, embedded system technology, storage technology and network technology. DS-7800HW-EX / C Series Embedded Network DVR DVR locally as an independent work, can also be networked to form a powerful security system, widely used in public security, education, telecommunications, video surveillance service industries.