It Windshields Suction Cup Made with Shatterproof ABS Plastic High Quality Suction Cup with Locking Lever for Secure Adhesion Shockproof antiskid design, Soft Gel Covered Pad Protects Device from Scratch Light Weight, Durable, Solid Easy to install and release on vehicles windshield Maximum stretch 10.5cm.
Hence supports devices upto 10 cm wide Rotating 360support.
Note : Suction mechanism works perfectly on plain smooth surfaces such as glass, plain tiles, or other plain surfaces like glossy laminate, refrigerator wall , granite etc.
It will not work perfectly with surfaces which are not smooth.
For Eg: Textured tiles etc. Please keep this in mind before buying.
Its perfect to be mounted on Car Windshield as the same is made from glass.