The IZZO Swami 4000 Golf GPS 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. The Swami 4000 comes preloaded with over 25,000 worldwide course maps and requires no computer downloads or an annual subscription. Just charge and play The unit has a large, vibrant 1.8 inch color display that"s easy to read (even in bright sunlight) and operate, providing 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 scorecard for each course map. The rechargeable battery holds a 10-12 hour charge and can last 2-3 rounds. Durable and waterproof-with a 90-day limited warranty.