2Pieces DC 12V Relay Module 2 Channel Relay Board with Optocoupler

10a 10ms 12v 250v 30v 5ma 5ms Channel Module Equipped Channel Relay Channel Relay Board Closed Relay Interface Common Interface Relay High-Current Relay,Trigger Current Interfaces Maximum Load Level Control Relay Open Interfaces Maximum Open Relay Interface Opened Compatible Load Opto-Isolated Digital Input Rated Voltage Relay Common Interface Relay Interface Relay Relay Module relay module designed Relay Module Voltage Relay Status Indicator