You can find the current prices belongs to Gewiss - GW21811 coded ELEC.DIMMER ROT.2WAY 230V 100-500W SY/BK product. You can ask all the codes and references except GW21811 too. It distinguishes with price and quality among the similar products. It produced result of tests of laborotory for years. GW21811 referenced product is an original piece of your foundation or machine, original parts makes your machine live longer.
