The Grip-iT Universal Holder is designed for GPS devices and other portable mobile electronics. The included Adjustable Rotating Air Vent Mount makes for easy mounting to the louvers of your vehicles air conditioning/heating vent to provide a stable, secure, and easily accessible mounting solution for your portable device. Adjustable arms open from 1.5″ to 4.5″ wide to accommodate a wide range of GPS and other mobile devices. Arms also adjust up or down to allow easy access to device buttons or controls. Made of durable ABS plastic that holds up to wear and tear. A T-Slot AMPS Adapter Plate is also included for use with any of Bracketrons Custom Mounting Solutions. One-year warranty.