Product · United States

HAILANGNIAO 5pcs/lot 4 channel relay module 4-channel relay control board with optocoupler. Relay Output 4 way relay module

Product no longer available. The stores we track no longer sell it; last price seen $10.40.

Price history: 2 daily prices tracked since 2026-10-19; lowest $10.40, highest $10.40.

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