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4-Gang Wi-Fi + Bluetooth Smart Switch ALPHA-110-4
Brand: Generic / OEM
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Audited BOM: 10 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 low-quality relays (tier 3) with current capacity undersized for the declared maximum power leads to overload and premature failure, resulting in RMAs and negative reviews.
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