SONOFF D1 WiFi Smart Dimmer Switch for LED Lights, Mini Module, Adjust Light Brightness for Various Occasions, APP/Voice/RM433 RF Remote Control, Compatible with Alexa & Google Home (With RM433) - - Amazon.com
SONOFF D1 Wifi Smart Dimmer Switch DIY Smart Home EWeLink APP Voice RM433 RF Remote Work With Alexa Google Home|Home Automation Modules| - AliExpress
D1-DOC Smart RF Wi-Fi DImmer Switch - SONOFF Official