1. Material: aluminum alloy 2. Installation method: handlebar installation 3. Installation diameter: 1.8-3.2cm 4. Product accessories: manual *1, gasket *2, inner hexagon *1, fixed bracket *1, fixing screw *2 5. Scope: suitable for 4.5-7 inch mobile phone installation and use 6. Product features: fixed mobile phone, navigation, etc. 7. Installation range: can be used on battery vehicles, motorcycles, electric tricycles, off-road vehicles, ATVs, baby carriages, bicycles, etc. 8. 360-degree swivel design, let you adjust the mounting angle of the bracket as you like, very user-friendly 9. Net weight: 120G