One device. 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 RazorA(R) HD 4000 GB accelerates your speed to target, helping you range with first-shot confidence at pushbutton speed. Rugged. Reliable. Whether targeting a trophy above the treeline, across an open prairie, or ringing steel out to 4000 yards, the RazorA(R) HD 4000 GB delivers all the range, ballistic, and environmental data you need for absolute accuracy when and wherever opportunity happens. INCLUDED IN THE BOX Premium Carry Case Bungee Cord Lanyard Lens Cloth Utility Clip 2mm Hex Wrench CR2 Battery Features In-Display Wind/Drop Solutions Equipped with the accurate GeoBallisticsA(R) ballistics solver backed by a full up-to-date bullet database. Customize Ballistics Profiles Customize ballistics profiles via the GeoBallisticsA(R) App or use one of three preloaded profiles for popular cartridges. On-Board Environmental Sensors On-Board compass, humidity, barometric pressure, and exposed temperature sensors for fast acclimations. Two Wind Modes Features Full Cross Wind Mode and the Patented Wind Bearing Capture Mode. Pairs with Third-Party Devices Pairs with KestrelA(R) weather meter devices. HD Optical System Optimized with select glass elements to deliver exceptional resolution, cut chromatic aberration and provide outstanding color fidelity, edge-to-edge sharpness and light transmission. XR(TM) Plus Lens Coatings Ultimate anti-reflective coatings on all air-to-glass surfaces provide maximum light transmission for peak clarity and the pinnacle of low-light performance. Magnesium Chassis Decreases weight and increases strength. Easy-to-Use Menu Intuitive, easy-to-use menus feature a simple, clean illuminated display. Diopter Adjusts for differences in a user&';s eyes. Located on the eyepiece. Rugged Design Built to handle tough situations. Compact and light weight. ArmorTekA(R) Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt. Waterproof O-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments. Tripod Adaptable Compatible with a tripod adapter, allowing use on a tripod or car window mount. Rubber Armor Provides a secure, non-slip grip, and durable external protection. Ranging Format Range in yards or meters.