Metal arm: the rod part of this strong metal suction cup is all made of metal, which is stronger and more durable than ordinary suction cups and less likely to be worn out 4 ball soints structure: there is a ball joint at each end of the arm, doubling the flexibility. When installing a action camera for shooting, it is easier to adjust the direction Super stable: the combination of vacuum adsorption principle and non-marking adhesive makes this powerful metal suction cup has powerful suction. Therefore, you do not need to worry about dropping the camera because there is not enough suction No glue marks: when removing, it is recommended to first drench the bottom of the suction cup with warm water, then open the latch, and finally pull the small tail, the suction cup mount can be removed Compatible with most action cameras: complimentary adapter base and phone clamp, so that this gopro suction cup for car can be used not only for a variety of action cameras, but also for phones suction cup mount