1.It has a strong magnetic adsorption force,which enables it to adhere to vehiclestraveling at a speed of 80 miles per hour.It can be used on any flat that can be attracted by magnets. 2. Integrated magnetic bracket and device base, no need to prepare other accessories, this bracket can meet all your needs 3. More convenient installation, eliminating all tedious processes, no need to punch holes, just fix your device on the bracket base, and fix the magnetic for on the iron for to complete the installation 4. Made of high-quality materials, it can provide support for your device whether it is windy or rainy, firmly fix and protect your For Gen 3 the four-corner design provides perfect support. Don't worry about falling, so you can be more Note:Please check as much as possible to make sure the item is what you need. Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:White&Black Material:Stainless steel Package Contents: 1 x magnetic mounting bracket 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.