Features: Accurate Heart Rate Readings. Instantly Displayed On Watch Receiver While Wearing Transmitter. Alarm Option To Indicate High & Low Personal Heart Rate Limits. Mounting Bracket Included. Allows Watch Receiver To Be Displayed On Most Treadmills & Bicycles. Adjustable Transmitter Strip Fits Torso 12"–44" For Added Comfort. Water Resistant Watch & Transmitter Approximately To 30 M. Stopwatch Function. Time/day Display. Backlight & Storage Case.