This speed control box works with XCT generation 2 regen controllers. Just rotate the dials to change programmable user modes and regen. Put it on the dash for easy access or hide it under the seat. First generation XCT controllers do not have the receiving plug to work with this.
FN-KS provides 3 user modes, Normal, User1, and User 2. Each programmable for results, like street, performance, or low energy use green mode.
The other dial controls the regen parameters you set in the software.
Speed and Acceleration can be linked or separated in the upgrade software.