SmartWise 7V-32V 2-gang smart relay switch (in case), with dry contact and momentary switch, Wi-Fi + RF - eWelink Store
Sonoff WiFi Wireless Smart Switch Relay Module 5V for Home Apple – diymore
Sonoff Wifi Switch, USB DC5V Wireless Relay Module Smart Home Automation Modules APP Remote Control Timer Switch Voice Control with Alexa Google Home Access Control System: Amazon.com: Tools & Home Improvement
Sonoff Mini R2 – small WiFi smart relay switch with DIY mode
SONOFF RE5V1C – 5V wifi inching/selflock relay module | ITEAD STUDIO OFFICIAL