AITRIP 2PCS 5V 8 Channel Relay Module with OPTO-Isolated 5V, 8CH-5V-2PCS-Red

1 channel 5V Relay Module, Opto-coupler isolated, for Arduino and MCU projects.

2Pcs 5V One Channel Relay Module with Opto Isolation, High/Low Level Trigger

4pcs 2 Channel 5V Relay Module with Optocoupler - High/Low Trigger Support

2Pcs DC 24V 1 Channel Relay Module with OPTO Isolation Support High or Low Level

2pcs 5V One Channel Relay Module Switch with OPTO Isolation

2pcs 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level

2pcs DC 5V 1 Channel Relay Module SMT Optocoupler Isolated High Low Level