DH-HCVR4104HS-S2Lindsay Yeo2022-11-10T05:02:57+00:00 Dahua DH-HCVR4104HS-S2 4 channel DVR Support HDCVI, Analog, IP Video input H.264 dual-stream video compression HCVR4104HS-S2: All channel 720P recording HDMI/VGA simultaneous video output