The Garmin Forerunner 310XT HRM. Finally, a GPS-enabled training device that isn't afraid of the water. The rugged Forerunner 310XT is the triathlete's indispensable training tool - a GPS-enabled trainer that is water-resistant to 164 ft (50 m), tracks data in multiple sport modes and sends it wirelessly to your computer. This multisport device has up to 20 hours of battery life, tracks distance, pace and heart rate on land, and goes from wrist to bike in seconds.

The SPECS

• Unit dimensions: (W x H x D): 2.1" x 2.2" x 0.8" / 5.4 x 5.6 x 1.9 cm
• Display size; (W x H): 1.3" x 0.8" / 3.3 x 2.0 cm
• Display resolution: (W x H): 160 x 100 pixels
• Weight: 2.5 oz / 72 g
• Battery: rechargeable lithium-ion
• Battery life: up to 20 hours
• High-sensitivity receiver
• Lap history: 1000 laps
• Waypoints: 100
• GPS enabled
• GPS enabled
• Vibration alert
• Heart rate-based calorie computation
• Shock Resistant
• Water resistant
• Heart rate monitor
• Cadence sensor
• Foot Pod
• Automatic sync
• Garmin Connect compatible
• Virtual Partner
• Courses
• Auto Pause
• Auto Lap
• Auto Scroll
• Multi-sport
• Advanced workouts
• Pace alert
• Time/distance alert
• Interval training
• Customizable screens
• Power meter compatible