Device Type: 4-Channel Penta-brid WizSense Digital Video Recorder (XVR)
Brand/Model: Dahua DH-XVR1B04-I/T
Video Output: 1x HDMI (up to 1920×1080), 1x VGA (up to 1920×1080)
Data Ports: 4x BNC (HDCVI/AHD/TVI/CVBS auto-detect); 1x RJ-45 10/100 Mbps Ethernet; 2x USB; 1x SATA (HDD up to 6TB); 1x RCA Audio In; 4x BNC Coaxial Audio
IP Camera Support: Up to 5 channels (1 IP by default + 4 analog convertible); up to 2MP per channel; 20 Mbps incoming bandwidth
Two-Way Talk: 4-channel two-way talk over coaxial cable (the "/T" model feature)
AI Features: 4-channel SMD Plus (human/vehicle filtering), 4-channel AI Coding
Compression: Smart H.265+, H.265, Smart H.264+, H.264
Recording Resolution: 1080N/720P/960H/D1/CIF (Main stream up to 25/30fps)
HDD Support: 1x SATA port, up to 6TB (limit varies with ambient temperature)
Key Specs: Dahua XVR1B04-I/T, 4CH Penta-brid XVR, 1080N/720P, WizSense, 4-Ch Coaxial Two-Way Talk, 4-Ch SMD Plus, AI Coding, Smart H.265+, Up to 5 IP Channels (2MP), 1x HDD up to 6TB, HDMI/VGA
Usage: Small CCTV Systems, Hybrid Analog/IP Upgrades, Retail/Office/Home Surveillance, Two-Way Audio Communication
