Especially Designed for Trucks：With 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 Suction：Equipped 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 Angle：It 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 Operation：This cell phone car mounts designing with a back release button, which is easy to clamp and release. It is padded with striped silicone to protect your phone from scratching or dropping off.It can open width is between 2.5 - 4.1 inches, suitable for most smartphones. Please note that the phone case must be thinner than 0.47 inches. | We are constantly improving the function and design of our products, so that more humane products bring you a good life experience, this is the philosophy of the design team from WUITIN!