High Precision 800 Yards Rangefinder To play your best golf or hunting you need correct distance. The hunting rangefinder is accurate to one yard, is water-resistant and delivers a short vibration when you shoot the target. Technical Specifications Range 5-800 Y Pinseeker Range 5-250 Y Field of view 7.5 degree Angle Measure Range ±45° Measuring Time 0.5-2 sec Laser Type 905nm (safe to eyes) Magnification 6X Battery 1 x CR2 batteries (Included) .