The KEY-OVERRIDE-ALL combines many of our different transponder bypass modules into one unit. It is compatible with more than 950 vehicle models from 1998 through 2010. It comes pre-programmed for all applicable vehicles. It Includes a 2-way data link communication port for Acura, Chevrolet, Ford, Honda, Hyundai, Infiniti, Kia, Lexus, Lincoln, Mazda, Mercury, Nissan, Pontiac, Suzuki and Toyota vehicles. The Key data bypass kit comes with an encrypted ignition data line which is already verified on 2010 models. Expected to function on new releases for several years to come. A high speed 40 mega hertz CPU and software is written in assembler for our industry standard of quality and performance. It is the first bypass kit of its kind where all connections are made right at the ignition column. No need to make high-risk connections at the ECM. It maintains the integrity of the vehicle's security on push-to-start ignition systems.* it includes a simplified installation instructions and a 2 step programming procedure. The self learning algorithm allows the module to self detect the type of vehicle and adjusts automatically. There is no need to waste time downloading firmware. Unit supports over 700 different vehicles right out of the box.