This is the complete plug and play solution for adding a Bluetooth compatible analyzer to your Continental flex-fuel sensor. We now have three different options for you to choose from based on your needs. All the options include Bluetooth compatibility however you can now choose from: Bluetooth Only Bluetooth and 0-5V output for JB4 or an analog gauge Bluetooth and 50-150hz output for those of you that are plugging directly in to your stock or aftermarket ECU All analyzer options include: * Bluetooth output * Electrical connections for power and ground * Fuel-It! analyzer that plugs directly in to the ethanol sensor Compatible with Continental Part #'s 13577394 13577429 13577379 Compatible with GM/Seimans 12570260 (Requires GM Pigtail) Recommended Options: Continental ethanol sensor Fuel-It! custom 3/8" Cam-Lock fitting with -6an push-on style fittings or socketless compatible hose. * To use our Bluetooth feature an additional 3rd party app for your Android or Apple phone must be purchased and can be found here: https://apps.apple.com/us/app/fuel-it-ethanol-content/id1004246767?mt=8 https://play.google.com/store/apps/details?id=com.dmacpro91.fuel_it_eth&hl=en + Flex-Fuel sensor, fittings, fuel lines, and Bluetooth App sold separately.