This sale is for a Polar T31 transmitter. Polar transmitters are ECG accurate and fully water resistant up to 30 meters. It is compatable with Polar RS800 running computers and the CS600 cycling computers.

The battery life is up to 2500 hours. That is two years exercising 10 hours a week. This is a great way to monitor your training sessions for workouts, circuit training, biking, swimming, walking, or running. Many of the newer models of cardio equipment have the sensors to read the monitors.

Return Policy: Buyers can return unopened product for a full refund within 7 days of purchase if the item is defective or not as described. Buyer is responsible for return shipping costs.