The Clex OSS door handle is compatible with numerous European lock standards. The various versions allow for use in all common doors, including wood, steel, and aluminum, as well as narrow-frame doors with a backset of more than 20 mm. This makes the Clex OSS door handle suitable for both new buildings and existing properties, and its timeless, sleek stainless steel design adapts to any environment. The reader unit with the communication electronics, as well as the mechanics and power supply, are located in the door handle.