Specifications of Garmin HRM-Dual

Water Resistance: 1 ATM - does not transmit heart rate data to your device while swimming.

Battery: User-replaceable size CR2032 (3 volts)

Battery Life: Approximately 3.5 years (based on average use of 1 hour per day)

Operating Temperature: 23 °F – 122 °F (-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

Textile Garmin chest strap - Comfort and Convenience

HRM-Dual features a soft strap that is comfortable and adjustable. Simply remove the heart rate module, and it’s washable, too. And don’t worry about running out of juice. The battery lasts for up to 3.5 years.

Dimensions in mm (L/W/H): 62 mm x 34 mm x 11 mm

Included in delivery: incl. Battery

Weight supplement: manufacturer's specs