EASY TO INSTALLATION- We use a strong suction cup to install, it is firm and not afraid of heat, no glue residue does not damage the mirror surface, as long as the blind spot mirror is attached to the rearview mirror, Complete installation by tightening clockwise Maximize Your View- 2 piece packaged, 360 degree rotate + sway adjustabe, 50mm diameter convex wide-angle rearview mirror, control to maximize your viewing angle, reducing dead angles, ensuring driving safety The AF mirror is not afraid of water- Made of waterproof and rust-resistant material and constructed with HD glass which will not haze.On rainy days, the rain automatically slides down to keep it clear Application - Universal blind spot auxiliary wing mirror is suitable for any standard car, truck, SUV, etc Anti-drop design- This blind spot mirror is equipped with 3M weatherproof tape for pressure sensitive tape installation, so you don't have to worry about the mirror falling off, so you won't bother you when driving, and effectively expand your viewing angleNOTE: this item do not fit for motorcycle. Important Small Tips: Please clean your original car side mirror with alcohol or some other cleaning products. Press down hard when the mirror is stick to the black pivot base, it is more firmly stick and will not fall off from the pivot base. 24H Sale Service: The professional material insure the quality of item. Please contact our Customer Service or send email to our company's mailbox, we will give you a satisfied solution in 24 hours.