220V 240V Relay, Briidea On/Off Switch Electric Heating Relay with Built-in 24V Transformer, Replacement for Any Relay, Compatible with 24V Thermostat - Amazon.com
Amazon.com: Briidea Electronic Alternating Flasher Kit Relay, 36 Flashing Patterns by a Single Botton Quickly Change, 10 Amp 12-24VDC, Suitable for Car, Motorcycle Retrofit Headlights or Any Lamp : Automotive
DPST 1NO 1NC 8Amp Power Relay Module, Briidea 24V AC/DC Power Relay Control Voltage, White: Amazon.com: Industrial & Scientific
Meskliu 12V Remote Control Switch,DC 12V/24V/48V/72V/40A Relay with 984FT Long Range,Wireless RF Switch for Anti-Theft Alarms,Lighting,Garage Door,Golf,Dust Collector,Motor(12V Remote Switch): Amazon.com: Tools & Home Improvement
Finder 0-250V 16A, SPDT Plug-in Power Relay with 24v DC Coil: Amazon.com: Industrial & Scientific
2 Channel Relay Module 5V 12V 24V Control Board with Optocoupler Isolation High and Low Level Trigger 50x41x18.5mm (24V): Amazon.com: Industrial & Scientific
Timer Delay Relay DC 5V 12V 24V On Off Timer Module Trigger Cycle Dual MOS Delay Control Board with Digital Tube Display and Protective Shell for Smart Home, Automatic Control - Amazon.com