1. Timex T5G971 Unisex Sports Personal Heart Rate Monitor Watch
http://www.amazon.com/gp/product/B000P8VWQS?ie=UTF8&tag=emfamazon0d-20

2. Omron HR-100C Heart Rate Monitor
http://www.amazon.com/gp/product/B000A5CEUO?ie=UTF8&tag=emfamazon0d-20

3. Fingertip Pulse Oximeter
http://www.amazon.com/gp/product/B002BUYSDC?ie=UTF8&tag=emfamazon0d-20

4. Garmin Premium Heart Rate Monitor (Soft Strap)
http://www.amazon.com/gp/product/B0029M3NSS?ie=UTF8&tag=emfamazon0d-20

5. Timex Ironman Men's Road Trainer Heart Rate Monitor Watch
http://www.amazon.com/gp/product/B001GWYACK?ie=UTF8&tag=emfamazon0d-20