Small Sonoff like the Sonoff mini - fits in US junction box.
SONOFF Mini R2 10A Smart WiFi Wireless Light Switch, Universal DIY Module for Smart Home Automation Solution, Works with Alexa & Google Home Assistant, No Hub Required
SONOFF MINI DIY Two Way Smart Switch WiFi - NEW 4 Packs
SONOFF MINIR4 Smart WiFi Light Switch,Universal DIY Module for Smart Home Automation Solution,1 Pack
SONOFF Mini R2 10A Smart WiFi Wireless Light Switch, Universal DIY Module for Smart Home Automation Solution, Works with Alexa & Google Home Assistant, Compatible with IFTTT, No Hub Required (4-Pack)
SONOFF Zigbee Mini ZBMINI DIY Smart Switch Relay Breaker Module 2 Way Switch Smart Home Automation For eWelink Alexa Google Home - AliExpress
SONOFF ZBMINIL2 No Neutral Wire Required Smart Home Zigbee MINI 2 Way Switch Wireless eWeLink APP/Voice Control Switch Module
SONOFF MINI R4 Wifi Switch Module 2 Way Switch Smart Home Relay APP Voice Remote
Sonoff Mini DIY Smart WiFi Switch - Smartstuff
Shop wifi switch with fast delivery and free shipping. Wifi switch module is mainly used for glass fiber strip light box, day and night switches.
1/30 PCS Sonoff MINI Wifi Switch R2 DIY Two Way Smart Switch Relay Module Wireless Switch Smart Home Automation Work for eWelink
SONOFF MINI DIY Wifi Smart Switch Two Way Switch Via APP Remote Control Swi.AG