Midsize style fits smaller wrists Sport watch and heart rate monitor Target heart rate zone alarms Oversized digits Display with flipping system for easy reading of heart rate and elapsed time 100-hour chronograph with lap or split 100-hour countdown timer Month/day/date 12/24 hour time Alarm with 5 minute back-up INDIGLO. night-light NIGHT-MODE. feature Watch  Water-resistant 50 meters Digital FM transmission for clear signals around exercise equipment and power lines Synchronized transmission prevents cross talk from other heart rate monitors Smart transmission for long battery life On-the-chest monitor provides continuous heart rate readings during even the most intense activities Comfortable elastic strap Replaceable batteries StrapWater resistant 30 meters

Dara Recorder compatible