Tools & Home Improvement > Hardware > Door Hardware & Locks > Smart Locks
Tuya Smart Wi-Fi Biometric Digital Door Lock with Handle, Card, Keypad
Brand: Generic / OEM
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Audited BOM: 9 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 lower-cost biometric sensor (COMP-001) with Tier 2/3 specifications (ENG-001) directly leads to recognition failures (RMA-001) and customer dissatisfaction (REV-001).
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