5V 12V 24V Single Self Locking Latching Bistable Interlock Relay Module Switch

5V 12V 24V Dual Double Self-Locking Interlock Latching Relay Module High / Low

DC 12V 10A Magnetic Latching Relay Module Holding Switch Self-locking Module

DC 5V 12V 24V 2-Way Self-Locking Interlock Relay Module Flip-Flop Latch Relay

DC 5V/12V/24V Delay Timer Relay, Self-locking Delay On Off Time Switch Super 555

433 Mhz Universal Gate Remote Control Switch DC 12V 10A Relay Receiver Module

Micro USB 5V Zigbee Protocol 1/2/4 Channel self-locking Wifi Relay Switch Module

DC 6-24V Single Channel Self-locking Relay Module Pulse Trigger Module