Details100 Lap Memory with Dual Timers! Interval timer function can be set to have both countdown with auto repeat and different alarm tones. Can be set from 10 seconds to 99 hours, 59 minutes, 59 seconds. Timers can auto repeat cycles from 1 to 100 or indefinitely. Memory recall and countdown can be used during stopwatch operation. On/off confirmation sound, battery life indicator, automatic shut-off function and 5-bar water resistant.