Sinthesi offers you the possibility to choose not only between different system models, but also between numerous installation solutions that meet your space requirements and your needs. Sinthesi is a modular keypad that can be installed horizontally or vertically.Product features:SINTHESI series privacy lock required, installation in door station (SINTHESI series) + SA (custom-made) connection wires for bell buttons pre-assembled one privacy lock is required for every 4 bell buttonsTechnical data:Compatible with system 1+n technologyDimensions: 80 x 46 x 14mmInstallation instructions:Note: