HR pulse watch Pulse watch very handy, 7 days data memory ,exercise level, HR,exercise time, calorie, HR limit and warn, clock, five times alarm, 35 track stopwatch, time tolerence less than 1 second upon one day Heart rate update incessantly Finger touch, very handy 7 days data memory Exercise level, HR, exercise time, calorie HR limit and warn Clock, five times alarm, 35 track stopwatch Time tolerance less than 1 second upon one day Measurement: 26.2(total£© x 38.2(W) x 13.6(H)mm We ight: 93.7g LCD Measurement: 22*21mm Battery Life: 12 month