Bushnell Tour v3 Slope Laser Rangefinder Single hand vertical operation with 5x magnification and a 24mm objective Range finding performance of 10 to 1,000 yards; 300 yards to flag with +/- one yard of accuracy Pin Seeker Technology with Jolt Vibration activated when Pin Seeker is triggered; SCAN mode provides continuously updated LCD display as you pan across landscape Slope compensation calculates and adjusts swing yardage depending on the degree of the slope Compact ergonomical design that is easy to grip; includes a carrying case and 3-volt battery; 2-year warranty Class 1 laser with &lt;0.5mW average power output