https://www.dormakaba.com/jp-en/offering/products/door-hardware/simplex-mechanical-pushbutton-locks/simplex-1000--ka_235259
dormakaba - Simplex 1000 Mechanical Lock
Simplex 1000 is a mechanical pushbutton lock that uses a single access code and features a cylindrical latch locking device and knob handle.
simplex 1000dormakabamechanicallock