Mounts to air conditioning/heating vent in your vehicle and keeps your device secure * Made of durable ABS plastic that holds up to wear and tear * Adjustable Arms open from 1.5" to 4.5" wide to accommodate wide range GPS and other mobile devices * Provides a secure mounting option with easy installation * One-year warranty * No tools needed for installation * Compatible with all horizontal air vent louvers * Allows for portrait and landscape viewing * Spring loaded locking mechanism