Check the listing for details. Vortex Optics Razor HD 4000 GB GeoBallistics Laser Rangefinder. Color: Green, Condition: New. Listed at 799.00 USD. More shot-calling precision. Less juggling devices. Whether setting your sights on a Western trophy or ringing steel out to 4000 yards, the Razor® HD 4000 GB delivers all the range, ballistic, and environmental data you need for absolute accuracy when opportunity happens. Weighing just 10.1 oz., the rugged and fully loaded Razor® HD 4000 GB delivers the same four target modes (Normal, First, Last, and ELR) and two range modes — Horizontal Component Distance (HCD) and Ballistics Mode (BAL) — high-level shooters and hunters have come to rely on. Built-in environmental sensors (temp, pressure, humidity) in conjunction with the GeoBallistics® solver, two wind modes, patented Vortex® Wind Bearing Capture Mode, and Full Crosswind Mode make solving ballistic problems fast and easy in any environment or shooting scenario. Tripod adaptable. Water, fog, and shockproof. Intuitive, easy-to-use menus feature a simple, red, illuminated display that delivers the data you need without a single, unnecessary click.