The Razor HD 4000 is the essential companion for the extreme
hunter, archer and shooter. The extremely effective angle compensated laser
rangefinder features four targeting modes (Normal Mode, First Mode, Last Mode
and Extended Laser Range Mode) for any ranging environment. The primary HCD
(Horizontal Component Distance) range mode provides key angle compensated range
information required by the vast majority of shooters in a simple, quick to
read display. The Razor HD 4000 also has a LOS (Line of Sight) range mode and
scan feature.