... of lap, split and total elapsed time- 1/100 second, measure up to 9 hours 59 minutes and 59.99 seconds- 30 recallable ... 320 beeps/minute- Display of pacer frequency, beep counter and total time elapsed simultaneously, beat counter up to 9999Clock- Hour, Minute ... user option- CR-2032 Lithium Battery - Size: 79.0 x 59.8 x 22.0 mm - N.W: 66.6 g