Remote Control via APPeWeLink APP allows you to control all SONOFF devices with a simple click via iOS & Android smart phone, without distance limitation. The SONOFF MINI Connected Switch is small in size and takes up little space during installation. Add 2-way control In addition to the APP control, the mini light switch can also connect a pair of switches or two-way switch to turn on/off the light at the bottom from above. Smart ScenarioYou can create smart scenarios so that one SONOFF device can turn on/off another or gather multiple devices into a group and control them together. Hands-Free Voice ControlSONOFF MINIR2 WiFi Switch is compatible with Amazon Alexa (Amazon Echo/Echo Dot) and Google Home Assistant. It allows you to use your voice to control household appliances and enjoy a hands-free experience. NOTE1. Please turn off the power before installing the device. 2. The router must be a 2.4GHz device (5.0GHz WiFi is not supported), but there is no limitation for the smartphone network (2G/3G/4G/WiFi networks are all compatible). Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.