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 TO ALLOW 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