The Vortex Razor HD 4000 GB BalliSTic Laser Rangefinder gives shooters clear data for long shots. It fits in one hand and is easy to use in the field. The magnesium housing has rubber armor to handle rough use without adding much weight. The glass is sharp and bright, so targets stay clear even when light fades. The standout feature in this Vortex rangefinder is the built-in GeoBallistics Solver and BAL mode. These tools use cartridge and rifle info to show drop and wind holds right in the display. It has sensors for temp and humidity. You can enter wind by hand or pair it with devices like a Kestrel to get live wind data. It comes loaded with profiles for .308, 6.5 Creedmoor, and .223/5.56. You can add your own to match your setup. Target modes help in different scenarios. Normal mode shows the strongest return. The first mode shows the closest return when a small object is in front of a larger one. The last shows the farthest return when brush or trees get in the way. ELR mode takes a bit longer but helps with very distant targets. Wind Bearing Mode uses the unit's compass to track wind direction even if you move around. This helps when the wind shifts or comes from odd angles. The Razor HD 4000 GB has a tripod port for steady ranging. The optical system gives better light and less glare. Everything is set up to give you data fast without guesswork. Hunters, match shooters, and law enforcement can use it with confidence. If you want to buy from a trusted dealer, EuroOptic carries the Vortex Razor HD 4000 series and ships fast. Features: Magnesium body with rubber armorGeoBallistics Solver and BAL modeShows drop and wind holdsSensors for humidity and tempWind data entry or link to KestrelLoaded profiles for .308, 6.5 Creedmoor, .223/5.56Add custom profilesNormal, First, Last, and ELR modesWind Bearing Mode with compassTripod portHD optical systemCompact and light housing Vortex Optics Vortex Razor HD 4000 GB Ballistic Laser Rangefinder LRF-252