SWAMI Golf GPS Watch is a more affordable alternative to many higher-priced Golf GPS units on the market, but works just as well by offering many of the same features and benefits needed to maximize your performance on the course. Comes preloaded with over 27,000 worldwide course maps and requires no computer downloads or annual subscription. Just charge and play! The unit is easy to read (even in bright sunlight) and operate and offers accurate distance to the front/center/back of the green, auto-hole advance and course map edit functions. Added features include shot distance measurement and a digital course scorecard. The rechargeable battery holds an 8+ hour charge in GPS mode and can last up to 2 full rounds (40 day charge in time-only mode). Watch functions include time/date, alarm and odometer. Durable and waterproof - with a 90-day limited warranty.