SONOFF : سوئیچ وای فای هوشمند Sonoff RFR3 سفید

Remotely control the devices by turning them on from any location at any time
Wireless smart power switch with power usage monitoring, which functions like a charge calculator
Allows users to more easily conserve electricity by using the app to calculate their power usage
Supports iOS and Android app EweLink

Convert 315MHz & 433MHz RF Remote controller to App via WiFi
Turn connected 315/433MHz RF devices on/off remotely from anywhere on the App
Supports scheduled/countdown timing tasks to turn on/off at specified time

[Make Your Home All Controllable from Anywhere] Tap once on your phone, your home comes to life instantly when you arrive home. The plug turns the porch light on, switch your water heater on. With S26, all jobs are ready for you.
[Talk To Your Devices] Compatible with Amazon Alexa and Google Assistant to turn on or off your appliances, just try to say: “Alexa/Google, turn on/off…”.
[Scheduled Timer] Create a scheduled timer to auto-run the coffee maker in every morning. When you get up, your coffee is ready.
[Remote Control] Remotely turn on the water heater on your way home. Once arriving, you can have a comfortable hot bath to drive away the tiredness.
[Stop Needless Work] Set the plug to switch electrical devices on or off in a predetermined time, making your routines proceed on their own every day. Then all you need to do is enjoying.