Feature: - 7 modes, including time, alarm, calendar, chronograph, Timer, pulse detecting, and fitness test indicator- Dynamic pulse detecting and monitoring- Alarm when the pulse rate reading is over the maximum rate set- Water resistant distance down to 30 metersSpecification: - Display: 17mm x 20mm LCD display- Backlight Display: Electroluminescent (EL) display- Time Zone Setting: 2 sets- Water Resistance Distance: 30 meters- Lap Time Memory: 32 sets of reading- Alarm Memory: 2 sets- Pulse Rate Memory: 10 sets of reading- Power Source: 1CR2032 (3V) battery- Battery Life: Estimated 1 year More Product Features Trademark: HOCA Model NO.: BC680 Standard: CE, FDA 510(k) Company: Hoca Medical Microsystem, Inc.