Product · United States

4 Channel 3.3V / 5V Relay Shield Module Four Channel Relay Control Board Relay Expansion Board For Arduino UNO R3 Mega 2560

Product no longer available. The stores we track no longer sell it; last price seen $8.39.

Price history: 2 daily prices tracked since 2026-10-18; lowest $8.39, highest $8.39.

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