DC 5V 12V 24V Infinite Cycle Delay Timing Timer Relay ON OFF Switch Loop Module (DC 5V 0-100s)
5V 12V 1 Channel IR Remote Control Relay Module Power Switch Self Locking (5V)
NE555 DC 5V 12V Delay Timer Relay Switch Module 0 to 10 Second (12V)
8 Channel Optocoupler Relay Module Board, Patch Photocoupler Isolation, 5V/12V/24V, High/Low Level, LED Indicator Lights, for DIY Projects (12V)
8 Channel Optocoupler Relay Module Board, Patch Photocoupler Isolation, 5V/12V/24V, High/Low Level, LED Indicator Lights, for DIY Projects (5V)
HUANGING 5V/12V/24V Relays Shield Module 16 Channel Relays Module with Optocoupler LM2576 Microcontrollers Interfaces Relays