Knox Sporting Golf Laser Rangefinder with Slope Measuring - 6X Magnification - Pinseeking Slope Measurement - Taked the rise & fall of terrain into account for accurate measurements on uneven terrain. Accurate & Long Distances - Detailed readings can be made up to 400m (approx. 437 yards away) Pinseeking - When in Golf Mode the rangefinder will disregard background targets, focusing on the foreground item you're aiming at - Like the flag on the green 6x Magnification with Adjustable Focusing Eyepiece - Focus in on your target without glasses if you're far or near-sighted Not Just For Golf - While designed with the golfer in mind, you can easily use this rangefinder for any activity you choose