Key Features: Provides easy access to programming parameters Compatible with DYN4850, DYN4940, DYNS2416, DYNM3875, DYN4955, DYNS2641, DYNM3880, DYNS2660, KXSS0500 and KXSS0501 Brushless ESCs Overview: Unlock the potential of your Dynamite Brushless ESC with the Dynamite LED Program Card. You can quickly and easily set the programming parameters on a varity of Dynamite Fuse car and truck along with marine ESCs. The LED Program card comes with everything you'll need to connect to your ESC including a Mini-JST Adapter Cord and Servo Adapter Cord