The Opti-Logic Sabre-I 600yd 6x Laser Range Finder SABRE-I is a culmination of many years of Laser Rangefinder engineering that capitalizes on Opti-Logic's distinguished record of success with their innovative patents and technologies, including the original VAC (Vertical Angle Compensation) Technology, that ensures truly accurate readings even on severe angles. This Range Finder from the experts at OptiLogic features 6x magnification, MgF multi-coated lenses and a waterproof, rubberized housing to combat nasty weather. At only 5.2 inches long and 3.23 inches tall, the Opti Logic 600 Yard 6x Laser Range-Finder, is small enough to fit in a front shirt pocket but powerful enough to accurately range up to 1000 yards passive and 1200 yards on a reflective surface. This Opti-Logic Laser Rangefinder has an easy-to-see LCD 4-digit readout that displays ranges in .5 (1/2) yard increments with a target accuracy of +/- 1 yard. whether it's the bugle of a bull elk ringing through a high-country meadow, the morning silhouette of a trophy mule deer on a sage-covered hillside or the ghostlike appearance of a mature whitetail buck, the Opti-Logic Sabre 1 6x 600 Yards Passive Laser LCD Display Range Finder is the perfect companion for hunters that prefer to leave nothing to chance.