Oregon Scientific Heart Rate Monitor Watch: * Heart rate measurement: analog heart rate system * Heart rate zone alert: upper and lower zones * Stopwatch * Visual, audio and vibrator alerts * Tap on lens function * User profiles for gender, age, height, weight, exercise habit and fitness index * Instant heart rate percentage * Tracks calories burned * Calculates average heart rate * Clock/date/day feature * Alarm * Electroluminescent backlight * Key lock * Silent mode * Buzzer (beep tone) * Low battery detection * Water-resistant and splash-proof * Strap length: 36" pre-stretch, 59" post-stretch * Wristband length: 8" * 1-year warranty