Usage Tips:Smart WiFi Fan Control: The WIFI smart switch can control the fan. Sync switch and shared device and manual reset. Timer can be set for each gang on APP. Timing switch to turn your devices on/off automatically. Share device. Manually reset the device. Alexa Google Assistant Voice Control / APP Remote Control: You can connect it to Amazon Alexa or Google Assistant for voice control. Control your home with your smartphone app or tablet from anywhere, anytime. User can use smartphone to remotely control home electronics on/off anytime and anywhere via APP, as long as the phone has 2.4G network. APP: SmartLife. Timing Function & Adjust Speed Freely: Set schedules to turn on/off the fan automatically, stepless speed regulation can control fan speed from 0-. save energy and money by planning your electricity usage every day. 400W Load Safe to Use: This wifi wall switch supports maximum load: 400W / Gang (resistive load). And the switch is the touch button which is more convenient and habitual to use. Touch key, good feeling, better reliability and responsiveness. Safe to Touch Wide Compatibility: As a traditional switch, it feels particularly good to touch the button. And it reacts very quickly. It can hold 300,000 times pressing a clear tone. Guaranteed quality and long service life. You can control whether the signal is GPRS/2G/3G/4G. In addition, it supports the following languages: Chinese, Traditional Chinese, English, Arabic, Spanish, French and Russian.