Whether you're an existing EZ-TCU customer, looking to upgrade to wireless or to purchase the complete EZ-TCU bundle, this new technology makes tuning a breeze. A revolutionary new bluetooth enabled module allows for communication between the EZ-TCU and an iOs or Android application, making it possible for a user to control shift points, firmness and aggressiveness directly from a smartphone or tablet. A live data feed and intuitive self-diagnostics optimize tuning, without the need for software, a hand-held unit or cabling. There is also a bonus anti-theft function that allows for remote disabling of your vehicle. Compatible with GM 4L60E, 4L65E, 4L70E, 4L80E and 4L85E transmissions, as well as the TCI 4x Four-Speed and 6x Six-Speed Transmissions. Comes in a complete kit, with EZ-TCU and related hardware (PT# 302600), or separately as an upgrade option forTCI Wireless EZ-TCU Transmission Controller Available existing EZ-TCU Transmission Control users (PT#302611). For more information, call 888-776-9824 or visit www.tciauto.com. (Content courtesy of TCI Automotive)