Scheda relè DPDT autobloccante multiuso doppio canale modulo ribaltabile basso impulso

2 PCS Dual Channel Multipurpose Self-locking DPDT Relay Board Low Pulse Flip Module DC 7-40V 5A Double Swords and Double Throws Switch. DPDT Relay outputs This is a bistable (self-locking) relay module,Trigger once, the relay pull (and holds);Trigger again, the relay releases (and holds).

eBay