?Diameter of Suction Cup: 2.7" (Clean&Flat Spot without any gap/crack is required); Height of Suction Cup: 2.6"; Length of Telescopic Arm: 5"-7.5". ?Depth of Phone Cradle: 0.8" (Thick & Thin Case Friendly); Width of Clamp Arm: 2.2"-3.8" (Universal Phone Friendly);. ? Clean the Surface with included wipes Before Install !?The LEATHER dashboard is NOT kind to ANY sucker. Pls mount it on the Windshield or Air Vent instead. ?When the outside temp>113°F, it's better to use Air Vent instead of Sucker. ?The release button is designed on the back of the middle of the cradle legs exactly, to be Easiest for you to locate. ? : - & ?Exquisite cell phone holder comes with suction mount & vent clip Combo. Not Sure which installation would best suit your vehicle? No problem the unit is extremely flexible!!!Dashboard, Windshield, Air Vent, all places work perfectly! All Well-packaged in a Reliable, Elegant & Eco-friendly box. V-shaped Pattern on the box means Vigor & Victory to you and your special one!. ? Original Lower-Back Release Button with Location Points: Won’t excessively bend fingers as side button, Most Comfortable for Any Finger, esp with big phones ?Original Thickened Fixed Cradle Legs: Upgraded from flimsy drop-down bottom legs, Safely Support Any Weight Phone on the Bumpy Road ?Original 0.96” Width Widened Cradle Legs: 1.6X Wider than others. ? : & , , & ?All look similar, but we stands out by Quality & Eco-friendly: Significantly different from cheap plastic with eco-damage, after 8 years of R&D & 8,000 kinds of materials tests, we finally found the BEST materials for Extreme Driving Condition from 20,900 kinds of materials. ? - - % ?Fit 0.07-0.1” Thickness Vent Blade of 99% Vehicles (Horizontal/Vertical), easy to use by switching lever. Not only the Inner Thickened-Steel-Plate is Durable & Never Loose, but also Different from the pure-steel-clip in the market, the Covered Soft-Silicone-Pads Protect vent blade from Scratches. ? , - , ?Perfect 2.7” Diameter of suction cup has been tested out by VANMASS Laboratory, 60X Stronger than old models (Stick firmly, yet no block view). PU Adhesive by 2024 Latest Technology is Melt-Resistant so No Residue Left. Easily install with Pre-install Cleaning Kit. Easily Remove with Thoughtful Tear-notch. Reuse after rinse&air-dry. ? . & - Extreme -40~194? Surface TEMP Resistance due to VANMASS’s Exclusive R&D High-Strength materials ?Extreme 60LB Suction Force due to Enlarged Korean PU Adhesion(2.5in?2.8in) & Bigger Suction Cup with Stronger Vacuum Power ?Ultimate Steel-Cored Structure of Vent Clip & Suction Mount: 20X Stable & Durable ?Ultimate Compatibility due to Deepest Cradle & Strongest Clamp Force. ? : - , , + ?2024 VANMASS car phone holder is certified by all authorities (International Military-Grade Shockproof Cert No.GZMR230200285101, CP65,REACH,RoHS), based on Unique Grandmaster Design (EUIPO Patent No.006590790-0003), TOP Durable & Healthy Materials from 20,900 materials & Industry-Leading Safety Tests (Monthly 5,000+ open/close test; 100,000+km rugged road tests).