Suitable for most ventilation fans in kitchens or bathrooms, the FBN15 has an extremely thin plate (under 5mm thick from wall to face), flat profile, rounded edges and stylish black nickel finish that suits a wide range of interior decor. With no visible plastic around the switch, it stays looking clean and modern for longer. Its Clip On, Clip Off front plate design is secure and easy to use, and the socket itself can also be easily retrofitted into existing backboxes (minimum 16mm depth required). The switch also has backed out captive screws to further aid simplify installation. • No visible plastic around switches • Screwless front secure & easy "clip on/off" plate.