VECTOR IV is a true binocular rangefinder with outstanding day optics, an integrated 3-dimensional, 360° digital compass and a precision, Class 1 Eye-Safe laser rangefinder. The VECTOR IV increases the range for distance measurements of up to 6 km. In addition, the 1550nm laser is invisible to image intensification devices, providing an added level of security. Vectronix Vector IV SR1 Rangefinding Binocular 901919