The IZZO SWAMI GPS System instantly calculates the distance to the front, back, and center of the greens of 12,000 courses in the United States, and stores up to 10 courses at a time. It automatically recognizes which course you're playing as soon as you turn it on. It is very easy to use, and utilizes a rechargable Lithium-Ion battery that holds a 12 hour charge.
A $9.99 annual fee is required to download course maps.
Annual fee provides unlimited course downloads for 1 year.