The SALTO - XS4 Wide Original+ eschutcheon - MIFARE/DESFire + BLE + HSE - Model EM654x, 2-Handles, any type, Outside cylinder cut out, is designed to fit most European profile doors and mortise locks standards. Easy to install and retrofit, it can replace your existing door hardware and fits any door with a broad range of different models and functions. The XS4 Original+ incorporates the latest BLUEnet wireless and mobile credentials technology to accommodate access control needs of both today and tomorrow. The XS4 Original product line is a universally compatible advanced smart locking system delivering next-generation access control technology in a market-proven solution. Unique, simple to install and retrofit, and featuring a sleek design, the XS4 Original platform integrates all your physical security needs through wireless networked, stand-alone locks giving you real-time access control for virtually all the doors in your building.The SALTO XS4 Original sets a new bar for connectivity in access control. It packs the latest BLUEnet Wireless cutting-edge real-time technology and newly-developed and powerful SVN-Flex capability engine.