This tour-certified laser rangefinder features PinSeeker technology to help zero in on the flag, a range of up to 550 yards, vivid display technology for a clear view in any lighting condition, 7x magnification, and waterproof construction. Slope Technology is what distinguishes the Pro 1M Slope Edition from the Pro 1M. The Slope Edition provides compensated distance for incline/decline and unprecedented accuracy which is key to making the right shot.