This is a Smart Dimmer / switch part of the Pixie smart home automation. This dimmer Mechanism will suit most standard wall plates and comes with 3 different button caps to suit the switch plate you have. This switch operates with a simple Push ON and Push OFF, to Dim Hold the button in until the correct light level is acheive and let go, the lights will remain in at this brightness, even the next time they are switched on.
This smart dimmer / switch can be used as a standard dimmer however with the use of Bluetooth mesh technology this switch can be operated via the Pixie APP. Use the App to also group items together and set scenes for full home automation.