General description Stable and safe installation is guaranteed with this Super Stable Car Phone Holder, designed with a pure odorless PU adhesive gel suction cup that can support up to 40lbs. It withstands extreme temperatures from -40℃ (-40℉) to 95℃ (203℉), ensuring it won't fall or melt under direct sunlight. The holder features a 360° rotatable design for infinite viewing angles and an extendable long arm for optimal positioning. Technical specifications Weight capacity: up to 40lbs Temperature resistance: -40℃ to 95℃ Telescopic arm length: extendable from 11.4 cm to 16.5 cm Clamp arm width: 1.90" - 4.09" (4.8 - 10.4 cm) Adjustable feet: extendable from 0 to 1.5 cm Compatibility and accessories Compatible with smartphones from 4 to 7 inches Fits various models including iPhone 13 Pro Max, Samsung Galaxy Note 21, and Huawei smartphones Usage Ideal for use on dashboards and windshields Prevents bumps, scratches, theft, and abnormal noises of your mobile phone