5PCS 12V 1 Canale Modulo Relè di Bloccaggio con Interruttore Touch Bistabile Controllo MCU
1 Channel Latching Relay Module 12V. Press the trigger button, the relay is locked, press again, the relay off, you can also add the trigger switch, and the use of low-level trigger. 5x 1 Channel Self-locking Relay Module 12V.