Please sure to check the vehicle, Vehicle name, model, year, and mounting harmonic when you order me. Power Supply with attenuation of 40 steps while the controller in the car and make your ride one button easy to install adjustable · With Vertical/Horizontal display mode switching function · attenuation Power Setting Memory for up to 4 different illumination display · Slim & compact design for handheld operation the favorite colors are available for your choice of 7 colors, easy to install for fast and accurate adjustment depending on the G sensor connected to stepping motor technology and options, the G Horizontal level of your front and Rear Left and Right