The Carcomm Mobile PDA or smartphone cradle is the solution to install and use your PDA or smartphone in your car. The unique and patented design ensures a perfect fit which keeps your PDA or smartphone in place and protects it from being damaged. If your mobile device supports a landscape mode, you can easily rotate the holder into a horizontal position. This is often used while using navigation software on the phone. If you want to use your phone in portrait mode, you can easily rotate it back into a vertical position.