It's a hybrid dvr/xvr from dahua. specifically, a 4-channel "penta-brid" recorder — meaning it supports multiple video input types: hdcvi, ahd, tvi, cvbs, and ip.
part of dahua's wizsense line. the “i3” indicates a generation / model series in their ai-enabled dvr line.
dahua-srbija.rs
uses h.265+ / h.265 / h.264+ / h.264 video compression.
supports ai features:
perimeter protection (tripwire, intrusion) on up to 1 analog channel.
smd-plus (smart motion detection) on up to 4 analog channels.
face recognition: up to 1 channel, with up to 8 faces/sec detection.
ai coding: can encode video using ai to save bandwidth/storage while preserving detail.
storage: 1 sata port. according to tss, it supports up to 16 tb for that sata.
network: 10/100 mbps rj45.
video output: hdmi + vga.