gps car holder 1 Outer diameter:180mm .Inner diameter:80mm 2. Material: ABS and thermoplastic elastomer 3.Suit for GPS,3Gphon Specification ... Inner diameter:80mm2. Material: ABS and thermoplastic elastomer3.Application:GPS,3G Phong,radar,DVD,vdieo camera4. It withstand temp from ... is equivalent to with many small suction cup ,you just need to put mount on dashboard,and press lightly,instantaneous ...