Improved Stability with 4-Lock Protection: The Lamicall holder for cell phone in vehicle features an innovative 4-lock protection and is compatible with both vertical and horizontal car air vents, ensuring excellent stability even during sharp turns or bumpy roads. Note: Hook extension range 10 mm-29 mm. The thickness of the vent blade is less than 4.2 mm. Not suitable for Round Vent. Thick Case Compatible: With upgraded arms which provide a wider grip and a fully adjustable foot, this phone mount for car vent clip is suitable for thicker cases, wallet cases or battery cases. The ultra-thick silicone back layer ensures a scratch-free experience for your device! Pretty-Design & High-Quality: The holder panel is made of soft silicone material which is anti-wear, effectively protecting the back of the phone. PC+ABS Material with better heat resistance, which is endurable for the extreme temperature of -4°F-194°F. 360-Degree Rotation: Unlike similar products on the market, this cell phone car holder gives you the best viewing angle no matter your needs, providing a 360-degree fully rotative design great for navigation, changing playlists, taking calls and more. Hassle-Free Installation: Say goodbye to complicated systems that take up your time and energy! Our cell phone automobile cradles are easy to install in a matter of seconds, requiring only 2 simple steps!