When to use a smart switch? These smart switches are a good idea if you want to control all the lights separately, and with this one switch, you can control the different smart light systems in the room together. You can even use them to dim the light down or even increase the brightness of the light, which will depend on your usage. By using a smart switch, you can connect it to the WIFI, and through which you will be able to control it using your mobile phone on the same WIFI network. You can hop o