4 Channel 12V Relay Module
Description:
Relay board is one kind of very popular switch module. You can use it to control any devices on or off. This is a DC12V controlled 4 channel relay module. It's high level trigger. Trigger current need not less than 5mA, It can be used in many industry system that using DC12V power supply.
Features:
- 4-Channel Relay interface board,
- Each one needs 15-20mA Driver Current
- Equiped with high-current relay : DC30V 10A AC250V 10A