The Skycaddie SG2.5 Rangefinder is for golfers who want advanced capability in a sleek, ultra-light design. In addition to getting distances to bunkers and other hazards on the course, the Skycaddie SG2.5 is equipped with the patented IntelliGreenÆ technology, enabling golfers to measure the full depth and shape of the green from any angle of approach, both on or off the fairway. At only 3.8 ounces, the Skycaddie SG2.5 is the lightest and most compact skycaddie rangefinder on the market.The Skycaddie SG25 offers the golfer a lightweight and compact GPS Golf device that can be used in all weathers and lighting conditions