YWBL-WH DC 12V 16A Relay DIN Rail Mount 4-Channel Power Relay Interface Module, Relay: Amazon.com: Industrial & Scientific
SONOFF POWR316 16A WiFi Smart Power Meter Switch,Universal DIY Module for Smart Home,Works with Amazon Alexa & Google Home Assistant-A Certified for Humans Device - - Amazon.com
YWBL-WH DC 12V 16A Relay DIN Rail Mount 4-Channel Power Relay Interface Module, Relay: Amazon.com: Industrial & Scientific