This button module snuggly fits the top case of your C64 Ultimate by holding onto the vents. No glue needed! The flatcable is easily lead into the C64U through an empty case hole with an included adapter. The buttons have a nice clicky feel and provide simple acces to Reset, Menu and Freeze options. There soon will be a version soon with USB plug also – clicking into this one, which gives to access to it without having to look behind the computer for insertion. Comes with short manual and all necessary parts.