Bracketron Cup-iT XL Car Truck Cupholder Mount Holder Cradle Garmin Nuvi TomTom Via Go Magellan DashCam Navigator Smartphones BT1-515-1 Arms adjust horizontally from 3.25 - 8.9 wide Side arms adjust up or down to allow easy access to Device button or controls Mount fits devices over 7 in screen size Fits large cup holder sizes up to 3.75 in diameter One (1) year limited warranty