This is a inertia triggered flashing tail light. It is extremely easy to hook up. You just need to hook up two ground wires and a power wire. The Brain needs to be mounted in a specific orientation but it is really simple. It is CAN bus compatible , but will work on conventional bikes as well. There is a really nice large spread of super bright LED’s. When hooked up to the right wires on a CAN bus BMW it will operate as a running and flashing tail light assembly. Below is a how to install video