PLEASE CHECK YOUR MODEL CAREFULLY THE WRONG MODEL CANNOT BE INSTALLED SUCCESSFULLY. Several buyers were unable to install it properly because they bought the wrong model.Seriously compare THE SECOND PICTURE and THE Third PICTURE. If you are still not sure which model is suitable for your vehicle style, please contact us at any time. Please take a photo of your original car sensor cover. and send it to us, and we will confirm it for you. Silverado Model EModle E is only suitable for vehicle styles with AUTG DIMMING function and without the SENSOR COVER, The asin corresponding to Modle E is B0D2NPHDNQ and B0D2NVTT98 Model A & Model BThe model A and model B match the same vehicle year and must be distinguished by the vehicle sensor cover. The second picture is a comparison of the four models. Custom fit for Chevrolet SilveradoMangoal Front 4K and Rear 1080P dash cam can fit perfectly behind the rear view mirror like original. Perfectly intergrated with Chevrolet Silverado 1