Innovative Vent Cradle Vehicle Mount designed for the Apple iPhone 3G - Adjustable Vent Clip Holder for Most Car / Auto Vent Systems Gomadic Holder is highly adjustable with sliding/rotating mechanisms on side and bottom ensuring easy access to all Apple iPhone 3G buttons and controls. Spring loaded vent clips designed to accommodate both horizontal and vertical oriented air vent systems. A vent mounted cradle base for use with the Apple iPhone 3G device. Holder is designed to adjust to accommodate the exact required dimensions (115.6 x 62.2 x 12.8 mm). Specifications: Holder Base: (2.5 X 4.0 inches in closed position. Highly expandable), Vent Mount (2.0 x 2.5 inches), Weight (Base 4oz., Mount 2oz.) Heavy Duty foam pads (0.5 inch thick) line grips on side of holder. Made with high density construction compress to secure device when in use.