PROTIUM WiFi Smart Dimmer Touch Switch Work with Amazon Alexa and Google Assistant for Smart Home Automation_Light Dimmer Option_Black Color  (Black, White)

No need Gateway. Our Smart Light switch has built in WIFI module, local control and app local control and remote control via 2/3/4G network and WIFI internet from anywhere., this switch can also be converted into Curtain switch. Remote ON/OFF – Turn lights on/off from anywhere by mobile APP and RF touch and Handy Remote control (Optionally our RF switchescan also be Turn on/off by Remote (sold seperately) in indoor) Unique group : You can divide devices in different kinds or rooms. Turn on/off all the devices in group by one button (Scene Control example- all off scene when you away home, you can press it to turn off all devices) Unique voice control function let you control the each gang of switch by Amazon alexa and Google Assistant. Unique Timer Function : User Can Set the timer and schedule as per your wish