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. Specifications: Magnification: 7x Objective Lens Diameter: 25mm Range Reflictive: Up to 4000 Yards Range Tree: Up to 2500 Yards Range Deer: Up to 2200 Yards Accuracy: > 200 Max Angle Reading +/- 89 Degrees Linear Field of View: 341' Angular Field of View: 6.5 Degrees Eye Relief: 17.5mm Length: 4.4" Height: 3.2" Width: 1.7" Weight: 10.1oz What's in the Box Premium Carry Case Bungee Cord Lanyard Lens Cloth Utility Clip 2mm Hex Wrench CR2 Battery In-Display Wind/Drop Solutions The RazorA(R) HD 4000 GB utilizes the on-board GeoBallisticsA(R) solver to provide in-display wind/drop solutions and line of sight range when in Ballistics (BAL) Mode. Features: In-Display Wind/Drop Solutions: Equipped with the accurate GeoBallistics ballistics solver backed by a full up-to-date bullet database Customize Ballistics Profiles: Customize ballistics profiles via the GeoBallistics App or use one of three preloaded profiles for popular cartridges On-Board Environmental Sensors: On-Board compass, humidity, barometric pressure, and exposed temperature sensor for fast acclimations Two Wind Modes: Features full cross wind mode and the patented wing bearing capture mode Pairs with Third-Party Devices: Pairs with Kestrel 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 Plus Lens Coating: 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 ArmorTek: 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