Garmin HRM Dual™
- Module: 62 mm x 34 mm x 11 mm
- Strap Length: 63.5 cm to 132 cm
- Weight: 54.4 g
- Water Resistance: 1 ATM*
- Battery: User-replaceable size CR2032 (3 volts)
- Battery Life: Approximately 3.5 years (based on average use of 1 hour per day)
- Operating Temperature: -5°C – 50°C
- Radio Frequency/Protocol: 2.4 GHz ANT wireless communications protocol; BLUETOOTH® Wireless Technology 5.0
- Range: 3 m
- System Compatibility: ANT+, BLUETOOTH
*Does not transmit heart rate data to your device while swimming.
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