12V 2 Channel Relay Module With Optocoupler – High/Low Level Trigger, Arduino/PIC Compatible

Tiny board, big control.

This 12V 2-channel relay module comes with optocoupler isolation, so your microcontroller stays safe while you switch higher loads.

Supports both high and low level trigger—jumper configurable.

Great for Arduino, PIC, Raspberry Pi, home automation, or any project that needs to flip stuff on and off.

Unbranded, generic, but solid.

Made in China, new old stock.

No UPC/EAN.

2 relays, 12V coil, clean PCB.

If you prototype, tinker, or hack, you need a few of these in the drawer.