Electronics > Video Surveillance > Surveillance Systems
4 Channel CCTV Kit DVR with 1TB HDD and 4 Cameras SIGMA-K104T
Brand: Generic / OEM
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Audited BOM: 12 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
Unstable firmware (ENG-001) causes DVR freezes (RMA-001), leading to recording loss and customer dissatisfaction (REV-001).
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