DUAL TIMER: Two events T1 and T2 can be counted up & down simultaneously. It is not only a countdown timer, minute timer and second timer but also act as a stopwatch and time up to 99 Hours, 59 minutes and 59 Seconds. ADJUSTABLE VOLUME: 3 option to set the volume of remind tone: HIGH / LOW / OFF. Perfect timer for homework, exercise, gym workout, cooking (ie egg timer), sports, games and classroom timer activities. LARGE DISPLAY: High contrast large display is easy to read especially for elder people. Memory function: Set a re-use time as memory time. Just press M button to bring up the memory time. STAND & MAGNETIC: Can stand alone or strong magnet on back sticks to metal surfaces. Battery: 2 *AAA Battery( for Shipping Safety reason, Battery Not Included ) 1/100 second Stopwatch Function, centisecond Level. Special Function: can use as 1/100 second Stopwatch. Longest Timer can Set: 99 hours 59 minutes 59 seconds. Setting Time Memory Function, set one time, convenient to repeat. Beautiful and stylish, easy to operate, suitable for different groups of people. Dimensions: 92 * 79 * 21mm Very Big Screen, size: 60 * 40mm Material: High-Grade ABS Battery: 2 *AAA Battery( for Shipping Safety reason, Battery Not Included ) Package includes: 1 * Timer