Electro-luminescent adjustable backlight.
Display: 1.44"W x .92"H, 100 x 64 pixels
GPS sensor provides precise latitude, longitude, and altitude data for exact location information.
Mark specific locations, and then look-up and navigate to these points using an electronic map.
Retrace your steps to a starting point or reverse your normal route for routine variation.
Amount of calories burned can be tracked and calculated over the course of a workout.
Automatically records up to 5000 laps by day or week; stores approximately two years of data
Performance data can be automatically archived and calculated to provide an accurate record.
Automated stopwatch provides AutoLap® and AutoPause® features.
Lap timer indicates when a certain speed is reached or when you've fallen below a pre-set level.
Pace whistle sounds alert when you begin traveling slower or faster than your desired pace.
Distance whistle sounds when you reach a specified duration or distance in your workout.
Download free Garmin software to transfer data from your Forerunner 201 to your PC for storage and analysis.
Rechargeable lithium-ion battery
Temperature range: -4° to 140°F (-20°C to 60°C)
Heart rate monitor: Digitally coded transmission
Display: Shows heart rate (beats per minute) and zone (between 1 and 5).
AutoLearn™: Learns user's heart rate zones, adjusting them as fitness levels improve.
AutoScroll: Cycles through data pages during a workout.
Alerts: Alarm sounds if you reach specified minimum or maximum heart rate.
Multi-sport: Set up profiles for running, biking, and another sport
Advanced workout: Set up workouts with specific durations and targets(speed or heart rate)
Resin case and cloth band.
Case: Waterproof to IEC 60529 IPX7 standards
Dimensions:
Length: 43,2 mm.
Wide: 83,8 mm.
Height: 22,9 mm.
Weight: 78 g.
Warranty: 2 years.
You can see Garmin Forerunner 301 Instruction manual (PDF)