The Blue Tees Series 3 Max+ Laser Rangefinder is the next iteration of our flagship, best selling S3 line of lasers. S3 Max+ offers improved software + electronics, an enhanced ergonomic design, and is powered by our new rechargeable battery technology. | Blue Tees | | Series 3 Max + Golf Rangefinder with Slope Switch, 1000-Yard Range, 6x Zoom, Flag Lock & Vibration | Navy | Best Buy