These PC interface cable kits from DiabloSport will allow you to update your DiabloSport programmer online from the comfort of your house or garage. These kits come with everything you need to hook up your DiabloSport programmer to your PC or laptop and download any updates directly from the DiabloSport website. So, if you want to be able to update your own programmer, you need to get one of these DiabloSport cable kits.