Polar chest strap and transmitters sold as a set. Coded transmitter works with current models except CS600 and RS800 but only eliminates interference (cross-talk) when used with a coded wrist or head unit. User replaceable battery. Antibacterial fabric. Easy-to-use side opening hook. Front transmitter connection. Fits 27-Inch to 60-Inch.
Price:$54.95

Polar Chest Strap and Transmitters sold as a set.Functions with both coded and non-coded wrist and head unitsWorks with current models except the CS600 and RS800 but does not eliminate interference (cross-talk) from other unitsIncludes sealed transmitter and elastic strap (M)
Price:$35.50

Multi Function New Heart Rate Monitor Watch from WCI - For All Forms Of Indoor-Outdoor Activities. Heart-Rate Monitoring Has Become an Integral Part Of Training and Sports Exercising, and the GK5508EBK was designed with all functions and features necessary. Easy, User-Friendly and Affordable, it is a great alternative to other pricier Models Out There!
Price:$99.99