1, Shorten the response speed of the electronic throttle 2, the electronic throttle's sensitivity 3, Plug and play without external power supply 4, 9modes/0-10 degrees adjustable 5. It can inio the car mode while revsersing for optional 1.The product can the car handling by control the sensitivity of car throttle controller switch,and better adapt to different driving habit and road conditions. 2.there are 9 Modes as : P1-Mode P2-Mode P3-Mode P1-Mode Manual P2-Mode Manual P3-Mode Manual NOR-Normal Mode EC-Fuel-efficient Mode EC-Fuel-efficient Mode Manual 3. There are 9 levels ( 1-9) for the acceleration, the acceleration sense from weak to strong is obvious, and no effect the throttle control capability. note: The 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 cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.