RM433-BASE

This is a WiFi Smart Switch with the DIY capability that makes it possible to control connected devices via the eWeLink directly from your phone, or ask it to turn on/off devices with Amazon Alexa and Google Assistant. Amazingly, it has a DIY mode that is the firmware can be user-defined. Built-in a web server that exposes the REST AP, which allows you to connect the switch with your existing home automation system. Compatible with Vera, Fibaro, HomeSeer, Savant, HomeKit, etc.

Sonoff 433MHz 4 Channel RF Remote Controller

SONOFF T3EU Wifi Smart Wall Switch can be controlled remotely using your phone, and devices connected with switches can work independently. Works with Amazon Alexa and Google Assistant which let you turn on or off your appliances with a voice command, perfect for those need to handle much housework simultaneously.

Sonoff TH16 is a wireless temperature and humidity monitoring switch which can remote monitor and set temperature and humidity range to turn on/off connected appliances through the iOS/Android APP eWeLink. Just as the name indicates, the Sonoff TH temperature and humidity monitor device supports 15A.