Features: *Supports control by 433MHz RF Remote.After successfully learning codes with 433MHz RF Remote, the RF switch can be turned on/off by remote control indoors. *Supports status tracking: device status is timely provided to eWeLink. *Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, etc. *Supports max 8 enabled scheduled/countdown/loop timers for each device. *Supports numerous WiFi smart switches on one smart phone. *Compatible perfectly with Amazon Alexa, for Google Home/Nest, IFTTT for voice control.