FITMENT: 100% Brand New 6 Pin AC CDI Power:AC 12 For GY6 50 125 150CC Engine Universal Scooter, ATVs, etc. Feature: *DIGITAL ADJUSTABLE 9 IGNITION CURVES WITH LONG WIRE The CDI box is adjustable,with a 6-pin male plug connector,voltage: 12V. Reset the ignition advanced curve for better acceleration.The long wire is more convenient to adjust the gears. *UPGRADED PERFORMANCE :This racing high performance part makes our motorcycle/bike a completely different animal.High voltage adjustment accuracy, low working current, high charging power.Excellent braking performance designed by professionals to improve driving safety. Digital Adjustable CDI Instruction: 1. After the CDI is turned on, the digital tube displays the curve before the last shutting down. 2.Every time you press the button, the number in the digital tube is added up by 0-9, and it will be displayed in a loop. 0 means no ignition, 1-9 means 9 ignition curves.0 is the speed limit of 6000 rpm, 1 is the original state, 1-9 are all unlimited speed. After installation, you can adjust it to the most suitable burst curve for the motorcycle engine) 3.The number will be remembered after each press, and the last ignition curve will still be displayed after the power is off. 4.The ignition curve 1 imeans that the ignition angle is relatively low, and 9 means that the ignition angle is high.The ignition angle difference between each curve is 1-2 degrees. 5.According to different sites and road conditions, choose different ignition curves to match.