500mah Rechargeable Magnetic Pro Golf Rangefinder (0.55lb) provides accurate distance measurement. Built-in magnet keeps rangefinder secured to golf cart/ bar with shock-proof design for better. Together with 7 measurement modes, which can lead to a seamless & reliable performance for golfing, hunting and as golf gifts and golf accessories. Shaky hands golfers can quick yardage (Measuring speed less than 0.5s) of a golf ball's distance to the hole. This rangefinder equipped with 6x magnification and read under both yards and meters unit. Measuring range from 5-600 yards with +/- 1m high accuracy which can meet most user's needs. Price for 2000 and over is by sea shipping