The Simmons LRF Laser Rangefinder is hair-splitting accuracy made simple. An in-view LCD display provides the exact distance to your target, from 5 to 800 yards, with the tap of a single button. The efficient, compact design and weather-resistant housing provide an unparalleled advantage that is easy to carry. Technical Information Range of Magnification: 4x Range: 800 yards Accuracy: +/- 1 yard Weight: 9.8 ounces Battery Type and Number: 9-volt Batteries Included: No Accessories: Carrying case