Reviews on 
Product Overview:
The G2 features a full fitness mode, a cycling mode, alarm, and stopwatch. Rechargeable: Rechargeable battery runs up to 11 hours in golf mode and 30 days in watch mode
Features:
- Automatic Slope - Automatically Calculates Slope Data to the Center of the Green
- Automatic Hole Recognition and Front/Center/Back Distance Guide
- Complete Athletic Watch : jogging, Cycling, Speed, Calorie Burned and Other Key Data
- 40,000+ Courses Preloaded
- Smart Scoring - Automatic Scorecard