Easy to Remove and Long Time Used. just 2 simple steps to take the mount off from windshield with the ingenious design, make it easy to place dash cam wherever you need. The suction mount is made of high-quality material which make it be able to work for a long time Easy to Install and Use. Simple structure and friendly design make it easy to install and use. Just 3 steps to install, and one joining ball design make it rotatable, so you can adjust Dash Cam to get a good shooting view easily Strong Suction Power. Experiment shows this windshield mount can hang up 9 POUNDS of cola, usually weights about 0.5 pound, this suction cup mount can hold it tightly even in a bouncy work truck Considerate . Any problem just get a new one or MONEY BACK. We provide 2 dash cam holders which doesnt mean they are poor quality, we just want to give you more benefit 2 diameter screws, 0.16 in/4 mm and 0.24 in/6mm, fits most screw dash cam mount