LEAP Interval Timer and Stopwatch Both intervals can be set from 2 seconds to 99 minutes, or only set one interval. Features vibration or chime notifications, or both. Notification duration can be set for one, two, five or nine seconds. Configurable repeat times from 1 to 99. Also runs in stopwatch mode and measures up to 99 minutes. Measures 2.5 x 2 x 0.8 inchs, includes clip, powered by one AAA battery (included)