Keep your handheld firmly in place with this heavy duty window mount. This mount suctions onto your windshield and locks into place. It is fully adjustable so you can get the angle you desire and lock it so it does not move. The handheld slides on so you can quickly grab it from the truck. Compatible with the Garmin Alpha 100 and the Garmin Astro 320 and Garmin Astro 430 handhelds.