1、High Compatibility: The suction cup bracket comes with 1/4 inch thread, 3/8 inch thread, and for Arri positioning hole to improve stability and strength. 1/4 inch and 3/8 inch conversion screw holes. It can be connected to mobile phones, cameras, sports cameras, DSLR cameras, etc. The combination of suction cups and camera arms allows you to complete the shooting angles of the car's side, top, and interior. 2、Premium Material: The suction cup is made of aluminum alloy material on top, which is sturdy, durable, and has a long service life. The bottom is made of silicone with moderate softness and hardness, greatly enhancing the adsorption force. The suction cup remains stable under high‑speed driving conditions. 3、Press Column: Repeatedly press the suction valve until the white safety line is completely hidden to secure it, and check whether the suction cup is completely tightly attached to the object being sucked. Easy to release, press the air release button to release suction. 4、Strong Suction: Suction cup phone holder for car has a load bearing capacity of up to 20kg. If the load can reach 20kg, if greater suction is required, an additional suction cup can be added under static conditions, which will increase the overall suction by 1.5 times. 5、Widely Used: The suction cup phone mount for car can be firmly fixed on any smooth surface, such as ships, metal and ceramic surfaces, car windshields, flat glass doors, doors, car engine covers, roof, truck covers, windows, etc.