wide T-notch opening, and T-notch hitch allow the universal holder to lock securely in place Includes: 1 Universal holder, 1 Vent mount, 2 Standard vent clips for vent mount, 1 Flexible neck suction cup mount, 1 Adhesive mounting disc, 1 Alcohol Prep pad The 360-degree design allows you to rotate seamlessly between portrait and landscape orientation.