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| Unit dimensions, WxHxD: |
1.75" x 3.7" x 0.9" (4.4 x 9.4 x 2.3 cm) |
1.75" x 3.7" x 0.9" (4.4 x 9.4 x 2.3 cm) |
2" x 4.3" x 1" (5.1 x 10.9 x 2.5 cm) |
2" x 4.3" x 1" (5.1 x 10.9 x 2.5 cm) |
| Display size, WxH: |
1.17" x 1.44" (3.0 x 3.7 cm) |
1.17" x 1.44" (3.0 x 3.7 cm) |
1.37" x 1.71" (3.48 x 4.36 cm); 2.2" diag (5.6 cm) |
1.37" x 1.71" (3.48 x 4.36 cm); 2.2" diag (5.6 cm) |
| Display resolution, WxH: |
128 x 160 pixels |
128 x 160 pixels |
176 x 220 pixels |
176 x 220 pixels |
| Weight: |
3.1 oz (88 g) |
3.1 oz (88 g) |
3.7 oz (104.9 g) |
3.7 oz (104.9 g) |
| Battery: |
rechargeable lithium-ion |
rechargeable lithium-ion |
rechargeable li-polymer |
rechargeable li-polymer |
| Battery life: |
12 hours, typical |
12 hours, typical |
15 hours, typical |
15 hours, typical |
| Water resistant: |
yes (IPX7) |
yes (IPX7) |
yes (IPX7) |
yes (IPX7) |
| GPS-enabled: |
yes |
yes |
yes |
yes |
| High-sensitivity receiver: |
yes |
yes |
yes |
yes |
| RoHS version available: |
yes |
yes |
yes |
yes |
| Basemap: |
no |
no |
yes |
yes |
| Ability to add maps: |
no |
no |
yes |
yes |
| Accepts data cards: |
no |
no |
microSD card (not included) |
microSD card (not included) |
| Lap history: |
1000 laps |
1000 laps |
1000 laps |
1000 laps |
| Waypoints/favorites/locations: |
100 |
100 |
100 |
100 |
| Routes: |
50 |
50 |
Limited by Memory Space Available |
50 |
| Heart rate monitor: |
yes (some versions) |
no |
no |
yes |
| Bike speed/cadence sensor: |
yes (some versions) |
no |
no |
yes (some versions) |
| Foot pod: |
no |
no |
no |
no |
| Automatic sync (automatically transfers data to your computer): |
no |
no |
no |
no |
| Garmin Connect™ compatible (online community where you analyze, categorize and share data): |
yes (coming in May 2008) |
yes (coming in May 2008) |
yes |
yes |
| Garmin Training Center® software compatible: |
yes |
yes |
yes |
yes |
| Virtual Partner® (train against a digital person): |
yes |
yes |
yes |
yes |
| Courses (compete against previous workouts): |
yes |
yes |
yes |
yes |
| Auto Pause® (pauses and resumes timer based on speed): |
yes |
yes |
yes |
yes |
| Auto Lap® (automatically starts a new lap): |
yes |
yes |
yes |
yes |
| Auto Scroll (cycles through data pages during workout): |
no |
no |
no |
no |
| Multi-sport (changes sport mode with a press of a button): |
no |
no |
no |
no |
| Advanced workouts (create custom, goal-oriented workouts): |
yes |
yes |
yes |
yes |
| Simple workouts (input time, distance and calorie goals): |
yes |
yes |
yes |
yes |
| Pace alert (triggers alarm if you vary from preset pace): |
yes |
yes |
yes |
yes |
| Time/distance alert (triggers alarm when you reach goal): |
yes |
yes |
yes |
yes |
| Interval training (set up exercise and rest intervals): |
yes |
yes |
yes |
yes |
| Customizable screen(s): |
yes |
yes |
yes |
yes |
| Barometric altimeter: |
yes |
no |
no |
yes |
| Unit-to-unit transfer (shares data wirelessly with similar units): |
no |
no |
no |
yes |
| Power meter compatible (displays power data from compatible 3rd party ANT+Sport™-enabled power meters): |
no |
no |
no |
yes |
| Sport Watch: |
no |
no |
no |
no |
| Additional: |
NA |
NA |
Operating temperature: -15°C to +50°C |
Operating temperature: -15°C to +50°C |