The Sig Optics Kilo 850 is accurate and quick. In HyperScan mode the Kilo can scan 4 times per second. It features AMR (angle modified range) for calculating the distance with an angle correction. The Kilo also has an intuitive user interface for ease of use. This rangefinder is the perfect option for shooters and hunters alike and at a price that is industry changing. Sig Sauer KILO850 4x20mm Laser Range Finding Monocular SOK85401