This is the Team Tekin Hotwire Interface. This allows you to set your ESC up through a PC interface FEATURES: The HotWire PC Interface unlocks the full potential of your Speed Control. Use the HotWire to connect your Speed Control to your PC or laptop and you can leverage the processing power of your computer to fine tune the performance characteristics of your Speed Control. The HotWire also gives access to custom user settings that are not available through the Speed Control's on-board interface and lets you network with other users to share tweaks, tuning tricks and entire track/condition specific profiles. Best of all the HotWire lets you download completely new software as it is developed and upload it to your Speed Control -- you get unrestricted access to upgrade your Speed Control to Tekin's latest and newest performance mods! INCLUDES: One Tekin Hotwire Interface One Installation Disk One Instruction Manual One USB Cable