- , - YRU, is a leader in high-quality cell phone holders. Over the past 5 years, we've based our R & D on millions of user feedback and military-grade standards (stability, compatibility, flexibility, security, and durability). We've overcome all the weaknesses to design this near-perfect car holder. This product has obtained international military-grade shockproof certification , & We've upgraded again, The suction cup diameter has been improved from 2.5" to 2.95", ensuring rock-solid adsorption without fear of bumps. It functions well in temperatures ranging from -40°F to 194°F and resists UV rays (reliable even in sunlight). Easy to install and remove without leaving marks, this reusable suction cup is convenient for use on multiple vehicles - The 4.92"-8.15" telescopic arm can be adjusted u