Program your Castle brushless ESCs and accessories on your Windows® PC with the Castle Link USB programming kit. Set up of programmable options with point and click ease View your current program settings Air users can customize values for low-voltage cutoff, prop brake strength, governor gain and more Surface users can customize values for low-voltage cutoff, drag brake, torque limiting and more Download new software updates as they become available Simple programming interface featuring: All-in-one support for all Phoenix, Talon, Thunderbird, QuadPack, DMR, Mamba, Sidewinder, and Hydra controllers, as well as accessories like Telemetry Link, as well as all of our external switching regulators (BECs). Demo Mode allows users to check available settings without connecting their Castle device to the computer Simple to install software Expanded programming and parameters for all Castle ESCs Additional Castle Link benefits include: Access to all firmware updates, including added features sets released from Castle Engineering, at no charge Intuitive Demo Mode capability Ability to save setup profiles for later use Castle Link includes all code for all Castle Link compatible hobby products in one convenient download. Beta and standard releases, including most of the prior versions, are available to users in this bundle. Note: Castle Link software requires a Castle Link USB Adapter - sold separately and a computer that is running Windows. Castle Link is compatible with Windows Vista, Windows 7, Windows 8 and Windows 10. Macintosh users may take advantage of software such as Parallels Desktop, VMware Fusion, or Apple's Boot Camp along with Windows Vista, Windows 7, Windows 8, or Windows10 to run the Castle Link software, provided the Macintosh has an Intel processor. Macintosh installation is not supported by Castle Creations.