Bushnell Golf Tour V4 Slope Laser Rangefinder Pin seeker with jolt Technology provides you with short Vibrating bursts to reinforce the laser has laced onto the flag Patented slope Technology provides compensated distance based on the incline or decline of the hole Accurately ranges from 5 to 1,000 yards and 400+ yards to a flag within one yard 5x magnification and a fast focus System let's you see your shot clearly Premium carry case, battery and 2-year limited Warranty are included Class 1 laser with &lt;0.5mW average power output