WaterRower Polar heart rate receiver

Polar® compatible heart rate reception

Track heart rate during your workout on the S4 monitor? Simply connect the heart rate receiver via cable to the side of the S4 power monitor. 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's monitor. Enables the use of the heart rate controlled functions of the Waterrower rowing machines.