Have different testing machines to design accurate and accurate parameters for our products. All switches are performance tested.Made of high-quality materials, it is lightweight, rust-proof, colorfast, and durable.Quality aftermarket product.According to the specifications, it perfectly matches the car.Replace old or damaged products, easy to install.Substitute manufacturer part number 214939 for referenceproduct type: window switchManufacturer's number: 8200214939 214939Note:Installation guide not included, we strongly recommend you seek professional installation.Please check as much as possible to make sure the item is what you need.Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance.Colour:BlackMaterial:plasticPackage Contents:1X window switchOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.