Equipped with an accurate, onboard GeoBallistics® ballistic calculator, backed by a full up-to-date bullet database with customizable and pre-programmed ballistic profiles, the Vortex® Razor® HD 4000 GB Ballistic Laser Rangefinder is a must-have for professional hunting and long-range tactical shooters. Featuring textured rubber armor for a positive, non-slip grip and sealed o-rings for true waterproof performance, the Vortex Razor 4000 GB boasts an impressive 4,000-yard maximum range (2,200 yards on deer) and displays .1-yard increments out to 999.9 yards with continuous distance readings even when panning across a landscape. The HD optical system provides clear, crisp pictures with XR™ lens coating for superior light transmission and is protected from scratches, oil, and dirt with ArmorTek® coating. Two wind modes allow you to quickly compensate for crosswinds and headwinds, and the built-in utility clip and bungee cord lanyard offer versatile, hands-free carry options for additional reliability while on the move. Plus, this rangefinder features an adjustable diopter so you can adjust for differences in any user’s eyes. Operates on one CR2 battery(included) and includes a soft carrying case, lens cloth, and 2mm Hex wrench. Tripod adaptable design. Backed by Vortex’s VIP Lifetime Warranty. Made in USA.