Sonoff Mini R2 – small WiFi smart relay switch with DIY mode
SONOFF Relay RE5V1C Module 5V WiFi DIY Switch Dry Contact Output Inching/Selflock Working Modes APP/Voice/LAN Control Smart Home _ - AliExpress Mobile
1 Channel Relay Sonoff Wifi Wireless Smart Switch Relay Module Dc 5v For Smart Home Apple Android App Control Self-lock 433mhz - Relays - AliExpress
Sonoff 4CH PRO (R3) WiFi + RF smart relay switch with 4 channels, NO/NC and dry contact support - eWelink Store
Amazon.com: Sonoff Wifi Switch, DC5V 12V 24V 32V Wireless Relay Module Smart Home Automation Modules APP Remote Control Timer Switch Voice Control Compatible with Alexa Google Home
Sonoff WIFI switch module Inching Self Locking wireless Relay Smart home Automation for Computer access DC 5V 1 channel - ASK Electronics
Sonoff Basic WIFI Smart Switch Relay module App Control for Google Alexa eWeLink | eBay
SONOFF RE5V1C – 5V wifi inching/selflock relay module | ITEAD STUDIO OFFICIAL
Sonoff MiniR4 is extreme(ly) small - NotEnoughTech
SONOFF WiFi Smart Curtain Switch with Power Metering TUV Certified, DUALR3 Dual Relay DIY Curtain, Blinds, Roller Shutter,Two Way Smart Switch,Works with Alexa&Google Assistant(1 Pack) - - Amazon.com
Sonoff DualR3 Dual Relay Two Way Power Metering Smart Switch - Opencircuit