Whether you're prepping for your next century ride or want a more accurate way to measure your performance on the trails, take your training to the edge with the Garmin Edge 305HR GPS-enabled Personal Trainer and Cycle Computer. The Edge 305HR is easy to use, requires no calibration, and features customizable screens and data fields to meet your needs. Measuring speed, distance, time, calories burned, altitude, climb, descent, and more, the Edge 305HR will help you to always know where you are and how far you've gone.

Features:
GPS: High-sensitivity SiRFstarIII receiver
Antenna: Built-in patch GPS antenna
Wireless: Communication between system devices via ANT protocol
Waterproof: IEC 60529 IPX7 standards (submersible in one meter of water for up to 30 min.)
Track log: 13,000 track points