Features: Suitable for all car models, gasoline, diesel, hybrid oil and electricity, or pure electricity. The product can improve the car handling ability by control the sensitivity of car throttle controller switch,and adapt to different driving habit and road conditions. there are 5 Modes as below: P1-Comfortable Mode,P2-Sports Mode,P3-Racing Mode,NOR-Normal ModeEC-Fuel-efficient Mode,Except the Normal mode, all other modes have 9-level fine-tuning function. There are 9 levels ( 1-9) for the acceleration, the acceleration sense from weak to strong is very obvious, and not affect the throttle control capability. If you don't understand the operation, please contact our customer personnel for instructions,Please confirm the model year, interface and special products before purchase! Specifications: Type: 807, 861 for optional Color:Golden Type 807 Replacement for below: Type 861 Replacement for below: Package size: 15.2x11x6.6cm Package weight: 240g Package List: 1xThrottle Controller