NVR with 4 ports POE HD mini IP 1080P CCTV digital network video recorder ds 7104ni sn/p 4 CH Channel ds 7104ni ds 7104 ds Prom |nvr with poe|nvr 4nvr hd - AliExpress
HikVision 6 Port Video/Audio Distributor with PSU (DS-KAD606-P)
Organize and Play Videos with Video Station | Get Started With DSM - Synology Knowledge Center