Dahua 4 Channel CCTV DVR H.265+ Remote Viewing Recorder

Detailed specifications model: dh-xvr1b04-i/t channels: 4 analog channels video compression: ai coding, smart h.265+, h.265, smart h.264+, h.264 recording resolution: 1080n, 720p, 960h, d1, cif video outputs: 1 hdmi, 1 vga audio input: 1 rca + coaxial audio audio output: 1 rca network port: 1 × rj45 10/100mbps usb ports: 2 × usb 2.0 hdd support: 1 sata hdd up to 6tb power supply: 12v dc, 1.5a mobile access: android and ios operating system: embedded linux ai functions: human & vehicle detection (smd plus) dimensions: 197 × 204.3 × 41.5 mm