Every switch board is unique at our homes, design your own switchboard configuration with our modular touch switch touch switch is a smart device that enables you to turn on/off an appliance at one tap, whether it is manually or virtually. When the appliance is turned on, the device lights up blue in color, therefore check the light of the device and known whether it is in use. It is a device that can be configured with an automation app and provide a smart lock to your switches.