... hour,minute, second green EL light precise heart rate test alarm, stopwatch for daily use calorie counter watch Multifunctional heart rate monitor ... pulse, pulse too fast alarm,stop watch,training level, calorie,EL light,alarm,Visual LCD size22*21mmUnit Product Size275(L) x ... mmBattery typeButton cell CR2032 x 1pcsBattery typeover12 month Calorie Counter Pulse Rate Wrist Watch, Sports Watch, HRM-2518