Stick to Window Strongly And Stand Heat Well. Our Experiment shows this suction mount can hang up 9 POUNDS of cola, the yi car camera weights about 0.5 pound, this suction cup mount can hold the YI dash cam tightly even in a bouncy work truck SIMPLE structure and FRIENDLY design, EASY to install, EASY to remove and reposition, EASY to adjust angle of the yi Smart Dash Cam to get a good view Fits Most Popular Dash Camera for Cars, Such Like G1W/ YI camera dash //BlackBox/Spy Tec/Transcend/DOD/Papago/Vicovation/HP. One Year Guarantee. Any problem in one year, just get a new one or MONEY BACK. We provide 2 suction mounts, but it doesnt mean they are poor quality, we just want to give you more benefit