This is an antique brass LED dimmer switch.
It is one dimmer on a single switch plate. The plate is made of brass with an antique brass finish. The dimmer can dim up to 10 LED lamps or bulbs, with a maximum capacity of 100 watts.
The V-PRO LED dimmer module used in this plate, also has different settings available. You can find out further information on the V-PRO module here.