Make your Ooono mobile - easy to move from car to car With an Ooono holder, it's easy to take your traffic alarm with you - no matter what car you drive. The holder attaches quickly and easily to the car's air vent, and the magnetic disc ensures that your Ooono is securely in place. When you want to change cars, simply take the holder with you - and you're ready for your next trip. • Move your Ooono easily between cars • Magnetic mounting for easy use • Quick installation in the air vent