Especially Designed for TrucksWith 16.9 inches long arm, this truck phone mount can use on different surfaces of heavy-duty vehicles, such as bucket trucks, SUVs, Vans, Buses, and heavy-duty trucks, whether you need to use it on the windshield,the dashboard.hether you need to use it on the windshield,the dashboard. Strong Adhesive SuctionEquipped with strong sticky gel pad that provides strong suction on smooth surfaces without leaving any residue. It won't come off even when turning, bumping or driving at high speeds. Note: If the suction cup loses its grip, wash it with warm water, then air dry to restore its adsorption. 3-Point Long Arm And 360°View AngleIt also includes a 16.9 INCH LONG with 3-point arm, where each arm can be adjusted along with a fixed button for each, And all can be rotated 360° for optimal viewing angle. During driving, you can adjust this car cell phone holder to avoid obstructing the sight and ensure driving stability and safety. One-Hand Operatio