HRM-DUAL HEART RATE MONITOR W/ CHEST STRAP

Transmit real-time heart rate data via ANT+ and Bluetooth Low Energy technology. Train indoors outdoors or online and receive accurate heart rate info on your Garmin device. Soft strap is comfortable and adjustable. Washable strap when with heart rate module removed. Battery lasts approximately 3.5-years. Water resistant to 10 M. Size range: 25" to 52". Module size: 2.4" W x1.3"H x 0.4"D. Overall dimensions: 27"-51.5" x 1.3" x 0.75". Compatible with Garmin smartwatches cycling computers GPSMAPs and other Garmin devices.