WaterRower Polar heart rate receiver

Polar® compatible heart rate reception

Want to track your heart rate on the S4 monitor during your workout? Simply connect the heart rate receiver to the side of the S4 performance monitor using a cable. Receiver for heart rate signals from a Polar-compatible chest strap (e.g. Polar transmitter chest strap T34). Transmits the received data to the S4 power monitor. The receiver is plugged into the side of the Waterrower monitor. Enables the use of the pulse-controlled functions of the Waterrower rowing machines.