The HRM-Dual™ is designed to deliver reliable and accurate heart rate data, even in the toughest workout conditions. It features an adjustable strap that fits securely around your chest, and the soft, comfortable fabric ensures a comfortable fit during prolonged workouts. The HRM-Dual™ also has a replaceable battery, which provides up to three and a half years of use.

• Soft and adjustable strap for comfort
• Transmits real-time heart rate data
• Strap is washable when the module is removed
• 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