5V/12V/24V 8 Channel Optocoupler Relay Module Board with High/Low and Trigger Power Indicator Light(24V): Amazon.com: Industrial & Scientific
Amazon.com: GEYA Delay On Single Function Time Relay 1 Output 16A Electronic Adjustable Power ON Timer Delay Relay Rail Modular(GRT8-A1,AC/DC12V-240V) : Automotive