PH-PAD+PB-HRM: i.Trek Universal Car Headrest mount Holder cradle for DVD Players, Tablet PCs, Ebook readers (Bracket expands vertically from 5" to 8") Easily attaches to headrest posts - No tools required Adjustable clamps to fit all car models width of two clamps is adjustable (between 3 1/4" ~ 7 1/4" in width) Adjustable tilt for ultimate viewing experience Maximum depth of device: 50 mm (1.96 inch) Bracket expands vertically from 5" ~ 8" Maximum weight load: 5 Kg (11 lb)