The RL-1 Remote Volume Level Control is available in a Black or White Finish and is compatible with: Z4ii, Z8ii, CX462, CX263, CX261, CX163, 46/50, 36/50, MPA Series, MA60/MA60Media, CXV225 and CXV425 - frankly, almost everything. For Back Box Fittings Please See: http://www.scolmore.com/_pdfs/essentials.pdf For Weatherproof/Outdoor Fittings Please See: http://www.cef.co.uk/catalogue/categories/weatherproof-wiring-accessories-easy-seal