USA Gear Car Air Vent Mount Holder & Display Cradle for TomTom XL 340TM , 340M / XXL 540TM , 550 and More GPS Navigators - Includes Cleaning Cloths Adjustable wings open to support devices up to 3.5" in Width. Will fit flat slatted air vents only with width up to 0.9" 360 degree rotating head for mounting in portrait or landscape views with adjustable angle Durable, padded grips are easily adjustable and provide superior protection for your device Locking clips securely fasten to most flat slatted air vents (Does NOT work with circular vents) Guaranteed Quality - 3 Year Manufacturer's Warranty