The Sonoff Smart Wall Touch Switch series are touch/App/ RF control luxury smart light switch. The wireless wall switch can be added to iOS/Android App eWeLink via WiFi, allowing users to remotely turn on/off connected lights or appliances separately from anywhere at any time. After successfully learning codes with 433.92MHz RF Remote, the touch light switch can be turned on/off indoors. This RF Remote can learn with other 433MHz RF devices, such as Slampher, Sonoff RF, Sonoff 4CH Pro. Upgrade your home to an elegant smart home, control anywhere, anytime! With the App eWeLink, you can create scheduled/countdown timers to auto-turn on/off devices at the specified time. You can also create scenes to turn on/off multiple devices in your house with one tap. The smart wall switch works perfectly with Amazon Alexa, you can ask Alexa to turn it on/off.