NVR1108HS-W-S2-CE-IMOU Imou by Dahua NVR 8 IP channels ONVIF Wireless WiFi , equipped with 2 Antennas to strengthen the network signal, resolution up to 1080P FULL-HD 2Megapixel , Compression up to H.265 + , Max 40Mbps , HDMI and VGA port (1080P), Supports 1 HDD SATA 3.5 ", Two-way audio, 2 USB ports. Remote viewing via APP Imou. Dahua Technology

NVR1104HS-W-S2-CE-IMOU   Imou by Dahua NVR IP 4 Channels ONVIF Wireless WiFi , equipped with 2 Antennas to strengthen the network signal, resolution up to 1080P FULL-HD , Compression up to H.265 + , Max 40Mbps , HDMI and VGA port (1080P), Supports 1HDD SATA, Two-Way Audio, 2 USB Ports - Dahua Technology

NVR2104-W-4KS2 Dahua NVR 4 Channels IP ONVIF Wireless WiFi, equipped with 2 Antennas to strengthen the network signal, resolution up to 8 MP 8Megapixel 4K UHD ULTRA-HD , Compression up to H.265 +, Max 80Mbps, HDMI port and VGA, Supports 1 SATA 3.5 "HDD, 2 USB Ports. Cloud P2P. Dahua Technology

NVR2104HS-W-4KS2 Dahua NVR 4 Channels IP ONVIF Wireless WiFi , equipped with 2 Antennas to strengthen the network signal, resolution up to 8 MP 8Megapixel 4K UHD ULTRA-HD , Compression up to H.265 + , Max 80Mbps , HDMI port and VGA, Supports 1 SATA 3.5 "HDD, 2 USB Ports. Cloud P2P. Dahua Technology

NVR2108-W-4KS2 Dahua NVR 8 Channels IP ONVIF Wireless WiFi, equipped with 2 Antennas to strengthen the network signal, resolution up to 8 MP 8Megapixel 4K UHD ULTRA-HD , Compression up to H.265 +, Max 80Mbps, HDMI port and VGA, Supports 1 SATA 3.5 "HDD, 2 USB Ports. Cloud P2P. Dahua Technology