The easy fitness heart rate monitor with a shiny smile. All the necessities for safe and effective fitness. Brief exercise summary for a better follow-up of the workout sessions. Manual Target Heart Rate (bpm) Zone with visual and audible alarm. Average heart rate of exercise. Time of day / Stopwatch / Exercise time. Extra large digits. Water resistant up to 50m. Automatic heart rate zone (bpm). Backlight. Date + Weekly indicator. HeartTouch - Button free operation. T31 non-coded Transmitter included.