Puetz Golf Price $349.95

The Sky Caddie SG4 is for the avid golfer who wants advanced features, a larger display and a long-lasting rechargeable battery. The SG4 includes SkyGolf’s patented IntelliGreen technology, enabling golfers to measure the full depth and shape of the green from any angle of approach and shows distances for all targets and hazards on any of SkyGolf’s 14,000 professionally mapped courses. The SG4 holds 10 courses at a time, is water resistant and weighs a mere 5.4 ounces.