Amazon.com: HiLetgo 4 Channel 24V Relay Module with OPTO-Isolated Support High and Low Level Trigger for PLC Automation Equipment Control : Industrial & Scientific
SONOFF DUALR3 Lite Smart Switch Moudle,WiFi Smart Curtain Switch,Dual Relay DIY Curtain, Blinds, Roller Shutter,Two Way Smart Switch,Compatible with Alexa&Google Assistant(1 Pack) - - Amazon.com
Amazon.com: eMylo 4X 220V-230V-240V 1000W 1Channel Wireless Relay Remote Control Switch Transmitter with Receiver : Tools & Home Improvement
Amazon.com: Baomain DC 24V AH3-3 Time Delay Relay Solid State Timer 8 Pins 30S with Socket : Tools & Home Improvement
Amazon.com: 24V-240V GRL8-01 Liquid Level Control Relay Water Level Controller 10A AC/DC : Industrial & Scientific
YXQ AC 220V/230V Coil Voltage PCB Power Relay 8 Pins DPDT 2NO 2NC MK2P-1: Amazon.com: Industrial & Scientific
NOYITO 2-Channel Micro USB Relay Module USB Smart Control Switch USB Intelligent Control Switch (2-Channel Micro USB): Amazon.com: Industrial & Scientific
Amazon.com: DC 5V/12V/24V Delay Timer Relay, Self-Locking Delay On Off Time Switch Super 555 Timer DC 5V/12V/24V (DC24V ) : Industrial & Scientific
Amazon.com: HiLetgo 4 Channel 24V Relay Module with OPTO-Isolated Support High and Low Level Trigger for PLC Automation Equipment Control : Industrial & Scientific
24VAC, 8-Pin Side Flange Enclosed Power Relay; Electrical Connection: 1/4" Tab Terminal: Amazon.com: Industrial & Scientific