SkyCaddie SG2.5 Golf GPS (Black) Sleek, ultra-light golf GPS with water-resistant shell for play in all conditions Includes IntelliGreen technology with full depth and shape of the green from any angle of approach Plot greens yourself, or subscribe to one of three SkyCourse memberships for access to up to 16,000 courses Easy-to-use, one-handed operation, outdoor-readable display with automatic backlight Rechargeable battery provides up to 14 hours of continuous use