For Tesla Model X 20162021, Model S 2014-2021. About the base 1.Because the base is specially customized according to the car modelPlease make sure that your car is exactly the same as the car in the picture/video.2.The base has a 17mm swivel connector that can be attached to most phone holders. You can change the phone holder according to your preference.3.The base can be easily installed and removed without damaging your car. We provide videos of the installation and use of this base. Supports 360 rotatiom. Height adjustmeng. Car phone holder 1: Small and light/Gravity Support/Clamp Stability Anti shake silicagel reserved moble phone pre key position. Silicone damping and anti shake design. Prevent the mobile phone from shaking and scratching and provide shock-retant cushioning. Car phone holder 1: Small and light Gravity Support Clamp Stability ANTI SHAKE SILICAGEL RESERVED MOBLE PHONE PRESS KEY POSITION. SILICONE DAMPING AND ANTI SHAKE DESIGN. PREVENT THE MOBILE PHONE FROM SHAKING AND SCRATCHING AND PROVIDE SHOCK-RESSTANT CUSHIONING. Car phone holder 2: Use without wiring refuse complicated interior decoration.New mechanical locking vehicle support heavy upgrade. Product features:Mechanical locking/Mirror gla/One key open/Crisp chain sound. MECHANICAL STRUCTURE CLAMPING ARM CONTRACTION CLAMPING .THE NEW GENERATION BRACKET ADOPTS THE FULL MECHANICAL PRINCIPLE NO NEED TO PLUG IN,CLAMP AND LOCK THE MACHINE MECHANICAL LOCKING MOBILE PHONE. One hand operation,one clip is stable.