Patented access control handle with code. The complete set of handles, fixing screws, batteries and instructions is supplied. For doors 35-80 mm thick. 8 mm square spindle compatible with TESA mortise locks with DIN racks. A master code and up to nine different user codes. Self-closing function or automatic locking after opening optional. Two lithium batteries type CR2, 3V on the outer handle. Models of right and left hand. Only for indoor use. Combined stainless steel and matt chrome finish.