| Styles | 12V |
|---|---|
| Brand | Unbranded |
Check the listing for details. 4pcs 12V 24V 2 Way Bidirectional Relay Module with Optocoupler for MCU Projects. Condition: New. Listed at 16.63 USD. Optocoupler Isolation: The 2-way relay module is equipped with optocoupler protection,excellent interference resistance and providing a stable operation for your MCU projects. 4 Relay Module with Optocoupler.