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Motion Sensor LED Night Light for Pathway & Movement Illumination
Brand: Generic / OEM
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Audited BOM: 8 Components
RMA Chain & Defect Intelligence
Root cause causal graph linking factory engineering flaws to verified consumer return reasons.
⚡ Causal Link: Defect to Consumer Return
The use of a low-cost PIR sensor with an inadequate Fresnel lens (ENG-001) directly leads to detection failures (RMA-001) and customer complaints about sensitivity and false positives/negatives (REV-001, REV-006).
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