Sonoff Basic R3 WIFI DIY Smart Switch
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.
It has a DIY mode that is the firmware can be user-defined. Built-in a web server that exposes the REST API, which allows you to connect the switch with your existing home automation system. Compatible with Vera, Fibaro, HomeSeer, Savant, Home Assistant and more.
Simply set a timer to let your devices switch on/off automatically at a pre-set time through a day. For example, prepare your coffee maker in the evening, and a cup of coffee is ready for you in the next morning.
Compatible with the IFTTT function (web-based service that allows users to create chains of conditional statements triggered by changes that occur services), therefore, you can make more actions happen to trigger other devices, or receive a notification on your phone once the action was triggered.
Along with support for smart scenes, just set a device to turn on/off to make another or a boatload of devices turn on/off.
The LAN control is designed for situations which no available Wi-Fi connection, or an unsteady Wi-Fi network environment.
A Share Control option is capable of allowing you to manage the same device with your family or friends together by simply sharing it on the eWeLink app.
SONOFF BASICR3 does NOT have 433Mhz RF receiver module. If you want a DIY smart switch with RF function, please buy SONOFF RFR3.