SONOFF WiFi Smart Touch Light Switch, Smart Wall Light Switch with Touch Experience and LED Backlighting, Panel is Removable and Replaceable, Lives and Neutral Wires Requires , 4 Gang, (T5-4C-86) 1. Remote Control： Pair Wi-Fi Smart Touch Switch T5 with eWelink APP first, then you can remote control via the eWelink APP. 2. Voice Control: The Wi-Fi Smart Switch T5 is compatible with Alexa /Google Home, you can voice control the T5 via the Alexa /Google Home. 3. Smart Scheduled: The Wi-Fi Smart Light Switch T5 is support schedule/Timer/Loop Timer functions, you can according your needs to set. 4. Device Sharing: You can share the device control right to your families or friends who have eWelink account, so they can remote control the house's device on/off state or check the device on/off state. 5. Push Notification: Turn on this function, when device's ON/OFF state is changed, you will receive the notification from eWelink APP. 6. History Record: The eWelink APP can show the device's ON/OFF state history data. 7. Status Feedback: The Smart Switch T5 device's ON/OFF state is same as the T5 state in the eWelink APP, you can check the state in the eWelink APP to judge the appliance state. 8. LED indicator: After you pair this Smart Switch T5 with eWelink APP, in the device is online state, you can according your needs to choose the LED indicator's ON or OFF state.