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

DC5V 9V 12V 24V 1/2/4/8 Channel High Low Level Relay Module with Optokoppler

12V 1 Channel Latching Relay Module with Touch Bistable Switch MCU Control

DC 5v 9v 12v 24v Optocoupler Relay Module for Arduino 1-Channel H/L Level Triger

DC 5V/9V/12V/24V 1 Channel Optocoupler Relay Module Support High and Low trigger

1/2/4/8 Channel DC5V 9V 12V 24V High Low Level Relay Module with Optokoppler