1、Through throttle controller, acceleration will happen sooner and more aggressively, and your can feel quicker and more responsive than it did before adding the controller. 2、Cammus windbooster 9 Mode 4S kings throttle controller adds some new functions, Lock mode (anti‑theft function), Mode memory function(Save, preset mode), Intelligent throttle response. 3、Plug and play without external power supply (absolutely no cutting of wire and does not use OBDII socket ). Specific plug for each specific car model, safer and more reliable, less than 5 minutes to install. 4、6 optional driving modes, Normal mode, Econ mode, Sport mode, Sport+ mode, Race mode, i‑Auto mode, you choose corresponding mode as you like. 5、Ultra‑thin size of 6mm, compact size allows it to be installed anywhere without interfering with the interior design. 6、15% fuel saving and 60% power response, will give you a pleasant driving experience.