Sonoff Mini R2 – small WiFi smart relay switch with DIY mode
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 Spm Main Relay Smart Stackable Power Meter - Buy Smart Stackable Power Meter,Power Meter,Sonoff Product on Alibaba.com
Sonoff WIFI switch module Inching Self Locking wireless Relay Smart home Automation for Computer access DC 5V 1 channel - ASK Electronics