Bushnell Pro 1M Golf Laser Rangefinder 5-Yard to 1-Mile Ranging Performance; 550 Plus -Yard to Flag Powerful 7X Magnification and Premium Lens Coatings provide Superb Optical Quality PinSeeker Technology zeros in on flag; Slope Edition features a patented slope compensation which calculates and adjusts yardage depending on degree of slope Lightning Fast Measurements & Incredible Plus or Minus 1 Yard Accuracy; PowerBoost provides 35 Percent additional acquisitions Two-year warranty; 3-Volt battery and premium carry case included