Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si 1, Shorten the response speed of the electronic throttle 2, the electronic throttle's sensitivity 3, Plug and play without external supply 4, 9modes/0-10 degrees adjustable 5. It can get inio the car mode while revsersing for optional 1.The product can the car handling ability by control the sensitivity of car throttle controller switch,and make it better adapt to different driving habit and road conditions. 2.there are 9 Modes as below: P1-Mode AUTO P2-Mode AUTO P3-Mode AUTO P1-Mode Manual P2-Mode Manual P3-Mode Manual NOR-Normal Mode --efficient Mode AUTO --efficient Mode Manual 3. There are 9 levels ( 1-9) for the acceleration, the acceleration sense from weak to strong is very obvious, and no effect the throttle control capability. Please note: The factory default setting mode is P2.6 Style:821 colour:black Material:Electronics + Metal Package Contents: 1 * 1 * Cable 1 * Adapter 3 * Nylon cable tie 1 * English manual Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.