Includes three arm options to fit different depths of dashboards: A 3” arm for short dashes, or to mount so it hovers above it. A 5” arm for medium-sized dashboards. A telescopic arm that adjusts from 7¾” up to 15 5/16” to fit the deepest of dashes Quick Lock & Release allows you to insert and remove your phone in seconds, with one hand: when you hear the click, you’re ready to roll! Phone holder pivots, tilts and rotates for ideal viewing of your mobile device. Stabilizing rubber bumper helps prevent excessive movement Rest it on your dashboard, or mount it to hover above the dash as low as possible Holder is over 1/2" deep and expands from 2.5" to 3 11/16" wide, accommodating most mobile phones