Connect via Bluetooth to your ATN Smart Device and control all the features and functions without touching the scope. Using your Ballistic Calculator, Smart Range Finder, Environmental Adjustments and other cool features on your Smart HD Scopes just got easier! Zoom Roller: Unlike traditional optical systems, our zoom offers incredible flexibility and convenience to users. You can use the X-TRAC to adjust the magnification in the scope with a simple action. Using the X-TRAC buttons lets you take photos and videos without the need to move your hand from supporting your weapon. Keeping your scope always on Target! The X-TRAC makes the process of menu surfing and digit input faster and easier! Manipulating the user interface and other features has never been easier or faster, by using the scroll wheel and tactile buttons. X-TRAC lets you breeze to the function you need at the speed of thought.