This is a single polished chrome LED dimmer.
It is manufactured by G&H Brassware. The dimmers are LED compatible, they have a maximum load of 10 bulbs or lamps and a maximum capacity of 100W.
LED dimmers are a fantastic way to save money on your energy bill, but don't forget the LED bulbs themselves have to be dimmable for them to work with this dimmer.
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.