4 Channel 12V Relay Module

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Relay board is one kind of very popular switch module. You can use it control any devices on or off. This is a DC 12V controlled 4 channels relay module. It has high level trigger. Trigger current needs not less than 5mA, it can be used in many industrial systems that use DC 12V power supply. Features: - 4-Channel Relay interface board,- Each one needs 15-20mA Driver Current- Equipped with high-current relay: DC30V 10A AC250V 10A Package:1x 4-Channel 12V Relay Module Show more