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 products, easy to install. Substitute manufacturer part number 214939 for reference product type: window switch Manufacturer's number: 8200214939 214939 Note: 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:Black Material:plastic Package Contents: 1X window switch Only 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.