Heart Rate Monitor Watch- Oregon Scientific heart rate monitor watch- Includes vibration alert - Monitors fitness levels heart rate readings calculates calories burned and alerts you when you exceed your target heart rate zone- 99h:59m:59s Stopwatch with count-up timer- Unique tap-on lens technology holds your display for 10 seconds (quickly change and view your workout data simply by tapping the lens)- Displays current average and percentage heart rate readings-Calculates fitness index and minimum/maximum heart rate when you enter exercise data into the watch- Clock calendar and alarm with backlight-Water resistant up to 50 meters (163 feet)- Includes splash proof chest belt- Includes lithium batteries for the watch and the chest belt- Black with silver trim - Box dimensions: 10.5"L x 9.5"W x 1.75"HORSE102