It’s not really a drive, but a dongle to unlock the laser driver software. I had to go and find my USB cd drive before using the K40. Most of the filenames on the disc are in Chinese.

The installation of the Laser Defuser was a bit more difficult and reminded me why K40 likes these things to be installed by a pro. Unfortunately my license plate holder isn't removable ...

This is a really clever mod for the K40 laser, and requires relatively little in the way of hardware. It might even be able to be done with leftovers from expanding a K40 out to a much bigger ...