A company in the US manufactures and supplies Z-Wave products for the UK/European market,they are rated at 230V 50HZ,and operate on 868Mhz frequency. International shipping is available,please see the folowing link

http://www.act-solutions.com/HomePro.htm

If you want a price list,contact them,or alternatively let me know your email address and i will forward a price list to you.

typical plug in dimmer 300w 230v 50hz = 20USD each