Forerunner 305 GPS Receiver.

High sensitivity GPS receiver will provide faster acquisition times and improved reception near trees and buildings allowing for more accurate and reliable data.No calibration is required.Heart rate monitor helps you train in your target zone to optimize performance.Continuously monitors heart rate, speed, distance, pace and calories burned.Includes the Training Centre CD-ROM.Compatible with MotionBased software for detailed post run analysis.USB interface allows for fast data transfer to the computer.Store and review up to 1000 laps.Multi-sport, customise profiles for running, cycling and other sports.Use the course feature to race against previous runs.Auto Pause, pauses and resumes training timer based on a specified speed.Auto Lap, by location or distance.Alerts for time, distance, pace and heart rate.Navigation capabilities allow you to mark and find locations and navigate back to starting point.Up to 10 hours of battery life, includes rechargeable lithium-ion battery.Waterproof, IEC 60529, IPX7 (submersible to 1 metre for 30 minutes).