GM Speedo

I have purchased a GM Genius 120 speedo to use for racing now, so I may be selling the Sphere soon.

It’s a whole different ball game compared to the Sphere.

8 different modes, but the key to it is the custom programming available.  You can change up to 38 parameters in tiny increments for each mode, and even mix/match modes.

The software used is available from the Graupner website.