Features: *Supports WiFi network. Supports numerous WiFi smart switches on one smart phone. *Supports status tracking: device status timely provided to the EWeLink. *Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, garage door etc. *Supports max 8 enabled scheduled/countdown/loop timers for each device. *RF Function: Supports controlled by 433MHz RF Remote Controller. (The remote controller is not included) *Voice Control: Compatible perfectly with Amazon Alexa, for Google Home/Nest, IFTTT. *The delay time of inching can be adjusted in the APP(500-36000000ms) {0.5-600 minutes}