Garmin V4 Premium HRM Replacement Module

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PREMIUM HRM TRANSMITTER (Only) The Premium HRM Transmitter suits all versions of Garmin's Premium Heart Rate Strap. This is the Transmitter only and does not include the Strap (sol d separately). * Note - is supplied as new unboxed unit. Module: 2.4" W x 1.3" H x 0.4" D (62 mm x 34 mm x 11 mm) Weight: 1.9 oz (54.4 g) Water Resistance: 1 ATM Battery: User-replaceable size CR2032 (3 volts) Battery Life: Up to 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 Show more