Presence Sensor Doorbell 32 Melodies SIGMA-LKM3000
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Presence Sensor Doorbell 32 Melodies SIGMA-LKM3000

Brand: Generic / OEM • Audited BOM: 10 Components
Observed Retail See Benchmarks
China Factory FOB $ ••.•• 🔒 FOB
US Landed Margin ••% 🔒 Margin

BOM & Cost Breakdown (Reverse Engineering)

Bill of materials component teardown, factory FOB sourcing cost, and landed fulfillment markup.

Component / Part Name Technical Specifications Factory FOB (USD)
PIR (Passive Infrared) Sensor Structural engineering grade part $ ••.•• 🔒 FOB
🔒 +9 structural bill of materials components locked in Torfus Pro Unlock Full BOM