4 Channel 5V Relay Module Extension Board Relay Shield V1.3 Diy Kit

3.28 $

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4 Channel 5V Relay Module Extension Board Relay Shield V1.3 Diy Kit 2026 - buy cheap

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4 Channel 5V Relay Module Extension Board Relay Shield V1.3 Diy Kit - specifications

4 Channel 5V Relay Module Extension Board Relay Shield V1.3 Diy Kit - photo 2026

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Product specifications

Item Type: Sensor
Brand Name: HAILANGNIAO

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