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4 Channel Relay Module Extension Board for Arduino
Model N/A Quantity 1 Color Black + Blue Material PCB + Relay module Features with high-current relay: AC 250V 10A; DC 30V 10A; Independent wiring in contact area £¬ make it safe and reliable; Standard interface that can be expanded in a variety of development boards; Equipped with screw holes for easy installation; Applicable to a variety of platforms including Arduino / AVR / ARM/51 Application It is able to control various household appliances£¬ and other equipments with large current. Packing List 1 x Extension board