One device. The Vortex Optics Razor HD 4000 GB Ballistic Laser Rangefinder offers all the range and ballistic data you need to make the shot of a lifetime, every time. For precision shooters and long-range hunters, the fully loaded Razor HD 4000 GB accelerates your speed to target, helping you range with first-shot confidence at push button speed. Rugged. Reliable. Heads-up display. Ballistic references charts. Interactive mapping features and a Comp tab to build and save range cards. This highly advanced solver inside the Razor HD 4000 GB lets you create accurate shooting solutions with ease. Combine all this with the RazorA(R) HD 4000 GB's superior optical quality, plus Bluetooth connection capability with KestrelA(R) devices (via the GeoBallisticsA(R) App), and you get an unparalleled level of shot-calling precision in a device that can fit in your pocket.Whether targeting a trophy above the treeline, across an open prairie, or ringing steel out to 4000 yards, the Razor HD 400...