SONOFF TX series:

SONOFF TO without remote control (RF radio frequency); T1 without border White; T2 with border White; T3 with border Black

SONOFF TX T2EU Wifi smart wall switch can be remotely controlled by mobile phone, and the device connected with the switch can work independently.

Works with Amazon Alexa and Google Assistant to enable you to turn on or off your device through voice commands, making it ideal for people who need to handle multiple chores at the same time.
Gently touch for easy control, set the time of the device, and the switch will help you turn them on or off automatically. Customize smart scenarios for your devices. Simply set the event to trigger a SONOFF device or mobile phone group.
Due to an abnormal WiFi network, your devices will not work, so LAN control is designed to ensure that they can work properly.

T2 can support 433MHz RF controller to control