The Vortex Impact 4000 LRF-IMP4000 is a high-tech laser rangefinder designed for hunters and shooters who demand maximum accuracy and reliability. With a range of up to 3658 meters (4000 yards), it offers exceptional precision in measuring distances to both static and moving targets. The model features an Applied Ballistics Elite ballistic calculator that provides real-time data for shooting corrections. It is compatible with a mobile app via Bluetooth for full customization and access to advanced features. The rangefinder has a bright and clear OLED display, a rugged aluminum housing filled with nitrogen, waterproof and shockproof. Suitable for mounting on a carbine Picatinny rail, offering security and reliability in all conditions.