Training
View distance, pace, time, heart rate and much more on a configurable display
Virtual partner allows users to race a virtual competitor
No calibration required
View and work within heart rate zones
Set up training sessions and schedules to follow
Get alerts for time, distance, pace & heart rate
View and race against historic data
Autopause, lap, scroll functions
Download and view training stats and routes with Training Center software
Upload data to Garmin Connect for greater analysis and view within Google Earth

Navigation
Mark a location
Go to a location
Back to start – Find your way back to the start of the route that you are doing

Accessories
Heart Rate Monitor
GSC10 Cycle speed and cadence sensor - gives cadence info, also for bicycle speed when GPS unavailable (e.g. indoors on trainer)
Footpod - gives cadence info, also for running speed when GPS unavailable (e.g. indoors on treadmill)

What's in the box:
Forerunner 405
Heart rate monitor
USB charging clip
AC charger
USB ANT stick
Manuals on CD & QRG