The SPCY520 is a flush mounting kit which allows a discrete installation of the SPCK52x Compact Keypad. This kit allows the keypad to be recessed into the wall, providing a sleek, elegant appearance. It can be used with SPCY521 for installation in concrete walls, or on its own for plasterboard walls. With the use of the opening tool the Compact Keypad can be removed for X-Bus readdressing, retrofitting wireless module etc.